[NETNS]: Add namespace parameter to ip_cmsg_send.

Pass the init_net there for now.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 9cd48b0..d142b87 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -607,7 +607,7 @@
 
 	ipc.oif = sk->sk_bound_dev_if;
 	if (msg->msg_controllen) {
-		err = ip_cmsg_send(msg, &ipc);
+		err = ip_cmsg_send(&init_net, msg, &ipc);
 		if (err)
 			return err;
 		if (ipc.opt)