netns xfrm: ->dst_lookup in netns

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index f3ea160..b16d4c0 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -266,7 +266,8 @@
 	unsigned short		family;
 	struct dst_ops		*dst_ops;
 	void			(*garbage_collect)(struct net *net);
-	struct dst_entry	*(*dst_lookup)(int tos, xfrm_address_t *saddr,
+	struct dst_entry	*(*dst_lookup)(struct net *net, int tos,
+					       xfrm_address_t *saddr,
 					       xfrm_address_t *daddr);
 	int			(*get_saddr)(xfrm_address_t *saddr, xfrm_address_t *daddr);
 	struct dst_entry	*(*find_bundle)(struct flowi *fl, struct xfrm_policy *policy);