[NETFILTER]: Use macro for spinlock_t/rwlock_t initializations/definition.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index f28460b..55afdda 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -148,7 +148,7 @@
 	atomic_set(&inst->id_sequence, 0);
 	/* needs to be two, since we _put() after creation */
 	atomic_set(&inst->use, 2);
-	inst->lock = SPIN_LOCK_UNLOCKED;
+	spin_lock_init(&inst->lock);
 	INIT_LIST_HEAD(&inst->queue_list);
 
 	if (!try_module_get(THIS_MODULE))