af_iucv: Use non-deprecated __RW_LOCK_UNLOCKED macro.

Signed-off-by: NRobert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: NUrsula Braun <braunu@de.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/iucv/af_iucv.c

@@ -53,7 +53,7 @@ static int iucv_callback_connreq(struct iucv_path *, u8 ipvmid[8],
 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)
 };