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/miscutils/makedevs.c b/miscutils/makedevs.c
index 6a3e808..d36c695 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -78,7 +78,7 @@
 	int linenum = 0;
 	int ret = EXIT_SUCCESS;
 
-	getopt32(argc, argv, "d:", &line);
+	getopt32(argv, "d:", &line);
 	if (line)
 		table = xfopen(line, "r");