whitespace cleanup

diff --git a/e2fsprogs/blkid/blkid.h b/e2fsprogs/blkid/blkid.h
index 54721b2..4fa9f6f 100644
--- a/e2fsprogs/blkid/blkid.h
+++ b/e2fsprogs/blkid/blkid.h
@@ -56,7 +56,7 @@
 extern const char *blkid_dev_devname(blkid_dev dev);
 
 extern blkid_dev_iterate blkid_dev_iterate_begin(blkid_cache cache);
-extern int blkid_dev_set_search(blkid_dev_iterate iter, 
+extern int blkid_dev_set_search(blkid_dev_iterate iter,
 				char *search_type, char *search_value);
 extern int blkid_dev_next(blkid_dev_iterate iterate, blkid_dev *dev);
 extern void blkid_dev_iterate_end(blkid_dev_iterate iterate);
@@ -90,7 +90,7 @@
 extern int blkid_tag_next(blkid_tag_iterate iterate,
 			      const char **type, const char **value);
 extern void blkid_tag_iterate_end(blkid_tag_iterate iterate);
-extern int blkid_dev_has_tag(blkid_dev dev, const char *type, 
+extern int blkid_dev_has_tag(blkid_dev dev, const char *type,
 			      const char *value);
 extern blkid_dev blkid_find_dev_with_tag(blkid_cache cache,
 					 const char *type,
diff --git a/e2fsprogs/blkid/dev.c b/e2fsprogs/blkid/dev.c
index 6d99504..c2b756c 100644
--- a/e2fsprogs/blkid/dev.c
+++ b/e2fsprogs/blkid/dev.c
@@ -76,8 +76,8 @@
 
 	list_for_each(p, &dev->bid_tags) {
 		blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags);
-		if (tag)   
-			printf("    tag: %s=\"%s\"\n", tag->bit_name, 
+		if (tag)
+			printf("    tag: %s=\"%s\"\n", tag->bit_name,
 			       tag->bit_val);
 		else
 			printf("    tag: NULL\n");
@@ -177,7 +177,7 @@
 		case 'm':
 			blkid_debug_mask = strtoul (optarg, &tmp, 0);
 			if (*tmp) {
-				fprintf(stderr, "Invalid debug mask: %d\n", 
+				fprintf(stderr, "Invalid debug mask: %d\n",
 					optarg);
 				exit(1);
 			}
diff --git a/e2fsprogs/blkid/probe.c b/e2fsprogs/blkid/probe.c
index 2115697..a2165ef 100644
--- a/e2fsprogs/blkid/probe.c
+++ b/e2fsprogs/blkid/probe.c
@@ -99,7 +99,7 @@
 static int probe_ext3(int fd __BLKID_ATTR((unused)),
 		      blkid_cache cache __BLKID_ATTR((unused)),
 		      blkid_dev dev,
-		      const struct blkid_magic *id __BLKID_ATTR((unused)), 
+		      const struct blkid_magic *id __BLKID_ATTR((unused)),
 		      unsigned char *buf)
 {
 	struct ext2_super_block *es;
@@ -126,7 +126,7 @@
 static int probe_ext2(int fd __BLKID_ATTR((unused)),
 		      blkid_cache cache __BLKID_ATTR((unused)),
 		      blkid_dev dev,
-		      const struct blkid_magic *id __BLKID_ATTR((unused)), 
+		      const struct blkid_magic *id __BLKID_ATTR((unused)),
 		      unsigned char *buf)
 {
 	struct ext2_super_block *es;
@@ -305,10 +305,10 @@
 	return 0;
 }
 
-static int probe_cramfs(int fd __BLKID_ATTR((unused)), 
-		       blkid_cache cache __BLKID_ATTR((unused)), 
+static int probe_cramfs(int fd __BLKID_ATTR((unused)),
+		       blkid_cache cache __BLKID_ATTR((unused)),
 		       blkid_dev dev,
-		       const struct blkid_magic *id __BLKID_ATTR((unused)), 
+		       const struct blkid_magic *id __BLKID_ATTR((unused)),
 		       unsigned char *buf)
 {
 	struct cramfs_super_block *csb;
diff --git a/e2fsprogs/blkid/read.c b/e2fsprogs/blkid/read.c
index e954c6d..624c907 100644
--- a/e2fsprogs/blkid/read.c
+++ b/e2fsprogs/blkid/read.c
@@ -432,7 +432,7 @@
 	list_for_each(p, &dev->bid_tags) {
 		blkid_tag tag = list_entry(p, struct blkid_struct_tag, bit_tags);
 		if (tag)
-			printf("    tag: %s=\"%s\"\n", tag->bit_name, 
+			printf("    tag: %s=\"%s\"\n", tag->bit_name,
 			       tag->bit_val);
 		else
 			printf("    tag: NULL\n");
diff --git a/e2fsprogs/blkid/tag.c b/e2fsprogs/blkid/tag.c
index ff10b28..09712ba 100644
--- a/e2fsprogs/blkid/tag.c
+++ b/e2fsprogs/blkid/tag.c
@@ -355,7 +355,7 @@
 void usage(char *prog)
 {
 	fprintf(stderr, "Usage: %s [-f blkid_file] [-m debug_mask] device "
-		"[type value]\n", 
+		"[type value]\n",
 		prog);
 	fprintf(stderr, "\tList all tags for a device and exit\n", prog);
 	exit(1);
@@ -383,7 +383,7 @@
 		case 'm':
 			blkid_debug_mask = strtoul (optarg, &tmp, 0);
 			if (*tmp) {
-				fprintf(stderr, "Invalid debug mask: %d\n", 
+				fprintf(stderr, "Invalid debug mask: %d\n",
 					optarg);
 				exit(1);
 			}
@@ -414,7 +414,7 @@
 	if (search_type) {
 		found = blkid_dev_has_tag(dev, search_type, search_value);
 		printf("Device %s: (%s, %s) %s\n", blkid_dev_devname(dev),
-		       search_type, search_value ? search_value : "NULL", 
+		       search_type, search_value ? search_value : "NULL",
 		       found ? "FOUND" : "NOT FOUND");
 		return(!found);
 	}