move help text from include/usage.src.h to coreutils/*.c

Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

coreutils/sum.c

@@ -13,6 +13,14 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define sum_trivial_usage
+//usage:       "[-rs] [FILE]..."
+//usage:#define sum_full_usage "\n\n"
+//usage:       "Checksum and count the blocks in a file\n"
+//usage:     "\nOptions:"
+//usage:     "\n	-r	Use BSD sum algorithm (1K blocks)"
+//usage:     "\n	-s	Use System V sum algorithm (512byte blocks)"
+
 #include "libbb.h"
 
 enum { SUM_BSD, PRINT_NAME, SUM_SYSV };