af_iucv: Use non-deprecated __RW_LOCK_UNLOCKED macro.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index fee22ca..7b0038f 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -53,7 +53,7 @@
 static void iucv_callback_connrej(struct iucv_path *, u8 ipuser[16]);
 
 static struct iucv_sock_list iucv_sk_list = {
-	.lock = RW_LOCK_UNLOCKED,
+	.lock = __RW_LOCK_UNLOCKED(iucv_sk_list.lock),
 	.autobind_name = ATOMIC_INIT(0)
 };