had forgot to initiate the btTransform

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/hilnius@13283 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/network/protocols/kart_update_protocol.cpp

@@ -100,7 +100,7 @@ void KartUpdateProtocol::update()
             {
                 uint32_t id = m_karts_ids.back();
                 Vec3 pos = m_next_positions.back();
-                btTransform transform;
+                btTransform transform = m_karts[id]->getBody()->getInterpolationWorldTransform();
                 transform.setOrigin(pos);
                 m_karts[id]->getBody()->setCenterOfMassTransform(transform);
                 Log::info("KartUpdateProtocol", "Update kart %i pos to %f %f %f", id, pos[0], pos[1], pos[2]);