Fixed crash which happens if an end animation is playing

in its non-looped part when the world is deleted (bug 3067944).


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@6056 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/karts/kart_model.cpp

@@ -121,6 +121,7 @@ void KartModel::loadInfo(const XMLNode &node)
  */
 KartModel::~KartModel()
 {
+    m_animated_node->setAnimationEndCallback(NULL);
     for(unsigned int i=0; i<4; i++)
     {
         if(m_wheel_node[i])