gossipd: actually use global features to create our own node_announcement.

It's currently empty, but I was surprised we still used "NULL".

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

gossipd/gossip.c

@@ -782,7 +782,6 @@ static u8 *create_node_announcement(const tal_t *ctx, struct daemon *daemon,
 				    secp256k1_ecdsa_signature *sig,
 				    u32 timestamp)
 {
-	u8 *features = NULL;
 	u8 *addresses = tal_arr(ctx, u8, 0);
 	u8 *announcement;
 	size_t i;
@@ -794,7 +793,7 @@ static u8 *create_node_announcement(const tal_t *ctx, struct daemon *daemon,
 		towire_wireaddr(&addresses, &daemon->announcable[i]);
 
 	announcement =
-	    towire_node_announcement(ctx, sig, features, timestamp,
+	    towire_node_announcement(ctx, sig, daemon->globalfeatures, timestamp,
 				     &daemon->id, daemon->rgb, daemon->alias,
 				     addresses);
 	return announcement;