netfilter: xtables: switch hook PFs to nfproto

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/bridge/netfilter/ebtable_nat.c b/net/bridge/netfilter/ebtable_nat.c
index 6024c55..4a98804 100644
--- a/net/bridge/netfilter/ebtable_nat.c
+++ b/net/bridge/netfilter/ebtable_nat.c
@@ -77,21 +77,21 @@
 	{
 		.hook		= ebt_nat_out,
 		.owner		= THIS_MODULE,
-		.pf		= PF_BRIDGE,
+		.pf		= NFPROTO_BRIDGE,
 		.hooknum	= NF_BR_LOCAL_OUT,
 		.priority	= NF_BR_PRI_NAT_DST_OTHER,
 	},
 	{
 		.hook		= ebt_nat_out,
 		.owner		= THIS_MODULE,
-		.pf		= PF_BRIDGE,
+		.pf		= NFPROTO_BRIDGE,
 		.hooknum	= NF_BR_POST_ROUTING,
 		.priority	= NF_BR_PRI_NAT_SRC,
 	},
 	{
 		.hook		= ebt_nat_in,
 		.owner		= THIS_MODULE,
-		.pf		= PF_BRIDGE,
+		.pf		= NFPROTO_BRIDGE,
 		.hooknum	= NF_BR_PRE_ROUTING,
 		.priority	= NF_BR_PRI_NAT_DST_BRIDGED,
 	},