ipv6: Create inet6_csk_route_req().

Brother of ipv4's inet_csk_route_req().

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h
index aae08f6..ff01350 100644
--- a/include/net/inet6_connection_sock.h
+++ b/include/net/inet6_connection_sock.h
@@ -25,6 +25,9 @@
 extern int inet6_csk_bind_conflict(const struct sock *sk,
 				   const struct inet_bind_bucket *tb);
 
+extern struct dst_entry* inet6_csk_route_req(struct sock *sk,
+					     const struct request_sock *req);
+
 extern struct request_sock *inet6_csk_search_req(const struct sock *sk,
 						 struct request_sock ***prevp,
 						 const __be16 rport,