*Some clean up and add debug info to find the reason of crash.

--HG--
branch : trunk

src/game/PointMovementGenerator.cpp

@@ -79,6 +79,8 @@ void PointMovementGenerator<T>::MovementInform(T &unit)
 
 template <> void PointMovementGenerator<Creature>::MovementInform(Creature &unit)
 {
+    if(id == EVENT_FALL_GROUND)
+        unit.setDeathState(JUST_DIED);
     unit.AI()->MovementInform(POINT_MOTION_TYPE, id);
 }