[NETNS][IPV6] route6 - add netns parameter to ip6_route_output

Add an netns parameter to ip6_route_output. That will allow to access
to the right routing table for outgoing traffic.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index e0caed2..0e2895c 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -43,7 +43,8 @@
 
 extern void			ip6_route_input(struct sk_buff *skb);
 
-extern struct dst_entry *	ip6_route_output(struct sock *sk,
+extern struct dst_entry *	ip6_route_output(struct net *net,
+						 struct sock *sk,
 						 struct flowi *fl);
 
 extern int			ip6_route_init(void);