[IPV6]: Misc endianness annotations.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 5a64027..e6e1f85 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -298,8 +298,8 @@
 }
 
 static struct sock *udp_v6_mcast_next(struct sock *sk,
-				      u16 loc_port, struct in6_addr *loc_addr,
-				      u16 rmt_port, struct in6_addr *rmt_addr,
+				      __be16 loc_port, struct in6_addr *loc_addr,
+				      __be16 rmt_port, struct in6_addr *rmt_addr,
 				      int dif)
 {
 	struct hlist_node *node;