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/cal.c

@@ -86,7 +86,7 @@ int cal_main(int argc, char **argv)
 	char day_headings[28];	/* 28 for julian, 21 for nonjulian */
 	char buf[40];
 
-	flags = getopt32(argc, argv, "jy");
+	flags = getopt32(argv, "jy");
 	julian = flags & 1;
 	month = 0;
 	argv += optind;