This patch, put together by Manuel Novoa III, is a merge of work

done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.

util-linux/pivot_root.c

@@ -20,7 +20,7 @@ static _syscall2(int,pivot_root,const char *,new_root,const char *,put_old)
 int pivot_root_main(int argc, char **argv)
 {
     if (argc != 3)
-        usage(pivot_root_usage);
+        show_usage();
 
     if (pivot_root(argv[1],argv[2]) < 0)
         perror_msg_and_die("pivot_root");