remove trailing whitespace

diff --git a/archival/bz/LICENSE b/archival/bz/LICENSE
index f01f080..da43465 100644
--- a/archival/bz/LICENSE
+++ b/archival/bz/LICENSE
@@ -15,16 +15,16 @@
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 
-2. The origin of this software must not be misrepresented; you must 
-   not claim that you wrote the original software.  If you use this 
-   software in a product, an acknowledgment in the product 
+2. The origin of this software must not be misrepresented; you must
+   not claim that you wrote the original software.  If you use this
+   software in a product, an acknowledgment in the product
    documentation would be appreciated but is not required.
 
 3. Altered source versions must be plainly marked as such, and must
    not be misrepresented as being the original software.
 
-4. The name of the author may not be used to endorse or promote 
-   products derived from this software without specific prior written 
+4. The name of the author may not be used to endorse or promote
+   products derived from this software without specific prior written
    permission.
 
 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
diff --git a/archival/bz/README b/archival/bz/README
index ef06d67..3015342 100644
--- a/archival/bz/README
+++ b/archival/bz/README
@@ -25,12 +25,12 @@
 
 WARNING:
 
-   This program and library (attempts to) compress data by 
-   performing several non-trivial transformations on it.  
-   Unless you are 100% familiar with *all* the algorithms 
-   contained herein, and with the consequences of modifying them, 
-   you should NOT meddle with the compression or decompression 
-   machinery.  Incorrect changes can and very likely *will* 
+   This program and library (attempts to) compress data by
+   performing several non-trivial transformations on it.
+   Unless you are 100% familiar with *all* the algorithms
+   contained herein, and with the consequences of modifying them,
+   you should NOT meddle with the compression or decompression
+   machinery.  Incorrect changes can and very likely *will*
    lead to disastrous loss of data.
 
 
@@ -50,16 +50,16 @@
    PROGRAM UNLESS YOU ARE PREPARED TO ACCEPT THE POSSIBILITY, HOWEVER
    SMALL, THAT THE DATA WILL NOT BE RECOVERABLE.
 
-   That is not to say this program is inherently unreliable.  
-   Indeed, I very much hope the opposite is true.  bzip2/libbzip2 
+   That is not to say this program is inherently unreliable.
+   Indeed, I very much hope the opposite is true.  bzip2/libbzip2
    has been carefully constructed and extensively tested.
 
 
 PATENTS:
 
-   To the best of my knowledge, bzip2/libbzip2 does not use any 
-   patented algorithms.  However, I do not have the resources 
-   to carry out a patent search.  Therefore I cannot give any 
+   To the best of my knowledge, bzip2/libbzip2 does not use any
+   patented algorithms.  However, I do not have the resources
+   to carry out a patent search.  Therefore I cannot give any
    guarantee of the above statement.
 
 
diff --git a/archival/bz/bzlib.c b/archival/bz/bzlib.c
index 57a6974..f27050a 100644
--- a/archival/bz/bzlib.c
+++ b/archival/bz/bzlib.c
@@ -259,7 +259,7 @@
 	/*Bool progress_in  = False;*/
 	/*Bool progress_out = False;*/
 	EState* s = strm->state;
-	
+
 	while (1) {
 		if (s->state == BZ_S_OUTPUT) {
 			/*progress_out |=*/ copy_output_until_stop(s);
diff --git a/archival/bz/compress.c b/archival/bz/compress.c
index 4bd364e..3e2fbd8 100644
--- a/archival/bz/compress.c
+++ b/archival/bz/compress.c
@@ -414,7 +414,7 @@
 			/*
 			 * Increment the symbol frequencies for the selected table.
 			 */
-/* 1% faster compress. +800 bytes */ 
+/* 1% faster compress. +800 bytes */
 #if CONFIG_BZIP2_FEATURE_SPEED >= 4
 			if (nGroups == 6 && 50 == ge-gs+1) {
 				/*--- fast track the common case ---*/
diff --git a/archival/bz/huffman.c b/archival/bz/huffman.c
index f016c96..3f80c99 100644
--- a/archival/bz/huffman.c
+++ b/archival/bz/huffman.c
@@ -133,7 +133,7 @@
 		}
 
 		AssertH(nHeap < (BZ_MAX_ALPHA_SIZE+2), 2001);
-	
+
 		while (nHeap > 1) {
 			n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP1(heap, weight, nHeap);
 			n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP1(heap, weight, nHeap);
@@ -160,7 +160,7 @@
 			if (j > maxLen)
 				tooLong = True;
 		}
-		
+
 		if (!tooLong)
 			break;
 
diff --git a/ipsvd/tcpudp.c b/ipsvd/tcpudp.c
index 98b075f..fc29274 100644
--- a/ipsvd/tcpudp.c
+++ b/ipsvd/tcpudp.c
@@ -45,7 +45,7 @@
 	unsigned max_per_host;
 	unsigned cur_per_host;
 	unsigned cnum;
-	unsigned cmax;       
+	unsigned cmax;
 };
 #define G (*(struct globals*)&bb_common_bufsiz1)
 #define verbose      (G.verbose     )
diff --git a/libbb/messages.c b/libbb/messages.c
index 06e9a58..2a011f8 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -47,7 +47,7 @@
 const char bb_default_login_shell[] ALIGN1 = LIBBB_DEFAULT_LOGIN_SHELL;
 /* util-linux manpage says /sbin:/bin:/usr/sbin:/usr/bin,
  * but I want to save a few bytes here. Check libbb.h before changing! */
-const char bb_PATH_root_path[] ALIGN1 = 
+const char bb_PATH_root_path[] ALIGN1 =
 	"PATH=/sbin:/usr/sbin:/bin:/usr/bin" BB_ADDITIONAL_PATH;
 
 
diff --git a/networking/httpd.c b/networking/httpd.c
index 82755a0..9207021 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -175,7 +175,7 @@
 	HTTP_MOVED_TEMPORARILY,
 	HTTP_REQUEST_TIMEOUT,
 	HTTP_NOT_IMPLEMENTED,
-#if ENABLE_FEATURE_HTTPD_BASIC_AUTH 
+#if ENABLE_FEATURE_HTTPD_BASIC_AUTH
 	HTTP_UNAUTHORIZED,
 #endif
 	HTTP_NOT_FOUND,
@@ -1405,7 +1405,7 @@
 
 /*
  * Send a file response to a HTTP request, and exit
- * 
+ *
  * Parameters:
  * const char *url    The requested URL (with leading /).
  * headers            Don't send headers before if FALSE.
@@ -1992,7 +1992,7 @@
 	while (1) {
 		int n;
 		len_and_sockaddr fromAddr;
-		
+
 		/* Wait for connections... */
 		fromAddr.len = LSA_SIZEOF_SA;
 		n = accept(server_socket, &fromAddr.sa, &fromAddr.len);
@@ -2037,7 +2037,7 @@
 	while (1) {
 		int n;
 		len_and_sockaddr fromAddr;
-		
+
 		/* Wait for connections... */
 		fromAddr.len = LSA_SIZEOF_SA;
 		n = accept(server_socket, &fromAddr.sa, &fromAddr.len);
diff --git a/networking/nameif.c b/networking/nameif.c
index 0369c08..a951970 100644
--- a/networking/nameif.c
+++ b/networking/nameif.c
@@ -4,7 +4,7 @@
  *
  * Written 2000 by Andi Kleen.
  * Busybox port 2002 by Nick Fedchik <nick@fedchik.org.ua>
- *			Glenn McGrath 
+ *			Glenn McGrath
  *
  * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  */
diff --git a/selinux/Config.in b/selinux/Config.in
index c2fc08d..c9b48fb 100644
--- a/selinux/Config.in
+++ b/selinux/Config.in
@@ -109,7 +109,7 @@
 	default n
 	depends on SELINUX
 	help
-	  Enable support for change boolean. 
+	  Enable support for change boolean.
 	  semanage and -P option is not supported yet.
 
 endmenu
diff --git a/util-linux/mount.c b/util-linux/mount.c
index 7c58aef..fee2f6e 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -675,7 +675,7 @@
 	}
 }
 
-static void 
+static void
 get_mountport(struct pmap *pm_mnt,
 	struct sockaddr_in *server_addr,
 	long unsigned prog,