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

util-linux/rdate.c

@@ -49,7 +49,7 @@ int rdate_main(int argc, char **argv)
 	unsigned long flags;
 
 	opt_complementary = "-1";
-	flags = getopt32(argc, argv, "sp");
+	flags = getopt32(argv, "sp");
 
 	remote_time = askremotedate(argv[optind]);