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

diff --git a/coreutils/split.c b/coreutils/split.c
index d1eb829..3ec539a 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -69,7 +69,7 @@
 	char *src;
 
 	opt_complementary = "?2";
-	opt = getopt32(argc, argv, "l:b:a:", &count_p, &count_p, &sfx);
+	opt = getopt32(argv, "l:b:a:", &count_p, &count_p, &sfx);
 
 	if (opt & SPLIT_OPT_l)
 		cnt = xatoul(count_p);