[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/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 3ceeffc..b75091c 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -849,7 +849,7 @@
 	[NFQA_CFG_PARAMS]	= { .len = sizeof(struct nfqnl_msg_config_params) },
 };
 
-static struct nf_queue_handler nfqh = {
+static const struct nf_queue_handler nfqh = {
 	.name 	= "nf_queue",
 	.outfn	= &nfqnl_enqueue_packet,
 };