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

miscutils/mountpoint.c

@@ -16,7 +16,7 @@ int mountpoint_main(int argc, char **argv)
 {
 	struct stat st;
 	char *arg;
-	int opt = getopt32(argc, argv, "qdx");
+	int opt = getopt32(argv, "qdx");
 #define OPT_q (1)
 #define OPT_d (2)
 #define OPT_x (4)