net: Put fl6_* macros to struct flowi6 and use them again.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 6a13735..9b21048 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -216,7 +216,7 @@
 	int err = 0;
 
 	if (unlikely(fl6->flowi6_proto == IPPROTO_MH &&
-		     fl6->uli.mht.type <= IP6_MH_TYPE_MAX))
+		     fl6->fl6_mh_type <= IP6_MH_TYPE_MAX))
 		goto out;
 
 	if (likely(opt->dsthao)) {