netfilter: replace old NF_ARP calls with NFPROTO_ARP

(Supplements: ee999d8b9573df1b547aacdc6d79f86eb79c25cd)

NFPROTO_ARP actually has a different value from NF_ARP, so ensure all
callers use the new value so that packets _do_ get delivered to the
registered hooks.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index a4abed5..fa5cda4 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -719,7 +719,7 @@
 		return NF_ACCEPT;
 	}
 	*d = (struct net_device *)in;
-	NF_HOOK(NF_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
+	NF_HOOK(NFPROTO_ARP, NF_ARP_FORWARD, skb, (struct net_device *)in,
 		(struct net_device *)out, br_nf_forward_finish);
 
 	return NF_STOLEN;