don't pass argc in getopt32, it's superfluous

(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
   text    data     bss     dec     hex filename
 773469    1058   11092  785619   bfcd3 busybox_old
 772644    1058   11092  784794   bf99a busybox_unstripped

shell/bbsh.c

@@ -204,7 +204,7 @@ int bbsh_main(int argc, char **argv)
 	char *command=NULL;
 	FILE *f;
 
-	getopt32(argc, argv, "c:", &command);
+	getopt32(argv, "c:", &command);
 
 	f = argv[optind] ? xfopen(argv[optind],"r") : NULL;
 	if (command) handle(command);