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

networking/nameif.c

@@ -66,7 +66,7 @@ int nameif_main(int argc, char **argv)
 	int if_index = 1;
 	mactable_t *ch;
 
-	if (1 & getopt32(argc, argv, "sc:", &fname)) {
+	if (1 & getopt32(argv, "sc:", &fname)) {
 		openlog(applet_name, 0, LOG_LOCAL0);
 		logmode = LOGMODE_SYSLOG;
 	}