[NETNS][IPV6] udp6 - make proc per namespace

The proc init/exit functions take a new network namespace parameter in
order to register/unregister /proc/net/udp6 for a namespace.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 87d4202..815190b 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -115,11 +115,11 @@
 
 int __init udplite6_proc_init(void)
 {
-	return udp_proc_register(&udplite6_seq_afinfo);
+	return udp_proc_register(&init_net, &udplite6_seq_afinfo);
 }
 
 void udplite6_proc_exit(void)
 {
-	udp_proc_unregister(&udplite6_seq_afinfo);
+	udp_proc_unregister(&init_net, &udplite6_seq_afinfo);
 }
 #endif