Allow creation of message_t objects for IKEv1 packets.

src/conftest/hooks/force_cookie.c

@@ -68,7 +68,7 @@ METHOD(listener_t, message, bool,
 			chunk_t data = chunk_from_thing("COOKIE test data");
 
 			DBG1(DBG_CFG, "sending COOKIE: %#B", &data);
-			response = message_create();
+			response = message_create(IKEV2_MAJOR_VERSION, IKEV2_MINOR_VERSION);
 			dst = message->get_source(message);
 			src = message->get_destination(message);
 			response->set_source(response, src->clone(src));

src/conftest/hooks/unencrypted_notify.c

@@ -95,7 +95,7 @@ METHOD(listener_t, ike_updown, bool,
 
 		DBG1(DBG_CFG, "injecting unencrypted INFORMATIONAL message");
 
-		message = message_create();
+		message = message_create(IKEV2_MAJOR_VERSION, IKEV2_MINOR_VERSION);
 		message->set_message_id(message, this->id);
 		message->set_ike_sa_id(message, ike_sa->get_id(ike_sa));
 		message->set_exchange_type(message, INFORMATIONAL);