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

coreutils/ln.c

@@ -34,7 +34,7 @@ int ln_main(int argc, char **argv)
 	struct stat statbuf;
 	int (*link_func)(const char *, const char *);
 
-	flag = getopt32(argc, argv, "sfnbS:", &suffix);
+	flag = getopt32(argv, "sfnbS:", &suffix);
 
 	if (argc == optind) {
 		bb_show_usage();