[NETFILTER]: nf_queue: make queue_handler const

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 14d64a3..062ff19 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -645,7 +645,7 @@
 	.owner		= THIS_MODULE,
 };
 
-static struct nf_queue_handler nfqh = {
+static const struct nf_queue_handler nfqh = {
 	.name	= "ip_queue",
 	.outfn	= &ipq_enqueue_packet,
 };