Remove trailing whitespace. Update copyright to include 2004.

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 @@ char bb_process_escape_sequence(const char **ptr)
 	unsigned int num_digits;
 	unsigned int r;
 	unsigned int n;
-	
+
 	n = 0;
 	q = *ptr;