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

1 files changed, 1 insertions, 1 deletions

diff --git a/networking/arp.c b/networking/arp.c
index a5a737349..8cdee1832 100644
--- a/networking/arp.c
+++ b/networking/arp.c
@@ -445,7 +445,7 @@ int arp_main(int argc, char **argv)
         if (!ap)
                 bb_error_msg_and_die("%s: %s not supported", DFLT_AF, "address family");
 
-        getopt32(argc, argv, "A:p:H:t:i:adnDsv", &protocol, &protocol,
+        getopt32(argv, "A:p:H:t:i:adnDsv", &protocol, &protocol,
                                  &hw_type, &hw_type, &device);
         argv += optind;
         if (option_mask32 & ARP_OPT_A || option_mask32 & ARP_OPT_p) {