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/env.c

@@ -54,7 +54,7 @@ int env_main(int argc, char** argv)
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
 	applet_long_options = env_longopts;
 #endif
-	opt = getopt32(argc, argv, "+iu:", &unset_env);
+	opt = getopt32(argv, "+iu:", &unset_env);
 	argv += optind;
 	if (*argv && LONE_DASH(argv[0])) {
 		opt |= 1;