Remove trailing whitespace.  Update copyright to include 2004.
diff --git a/libbb/process_escape_sequence.c b/libbb/process_escape_sequence.c
index ef2717b..f5ac500 100644
--- a/libbb/process_escape_sequence.c
+++ b/libbb/process_escape_sequence.c
@@ -19,7 +19,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
- * 
+ *
  */
 
 #include <stdio.h>
@@ -37,7 +37,7 @@
 	unsigned int num_digits;
 	unsigned int r;
 	unsigned int n;
-	
+
 	n = 0;
 	q = *ptr;