[NETFILTER]: Explicitly initialize .priority in arptable_filter

Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: NPatrick McHardy <kaber@trash.net>

net/ipv4/netfilter/arptable_filter.c

@@ -70,18 +70,21 @@ static struct nf_hook_ops arpt_ops[] __read_mostly = {
 		.owner		= THIS_MODULE,
 		.pf		= NF_ARP,
 		.hooknum	= NF_ARP_IN,
+		.priority	= NF_IP_PRI_FILTER,
 	},
 	{
 		.hook		= arpt_hook,
 		.owner		= THIS_MODULE,
 		.pf		= NF_ARP,
 		.hooknum	= NF_ARP_OUT,
+		.priority	= NF_IP_PRI_FILTER,
 	},
 	{
 		.hook		= arpt_hook,
 		.owner		= THIS_MODULE,
 		.pf		= NF_ARP,
 		.hooknum	= NF_ARP_FORWARD,
+		.priority	= NF_IP_PRI_FILTER,
 	},
 };