*Fix a bug that mobs do not return home after wipe.

--HG--
branch : trunk

src/game/Unit.cpp

@@ -9925,7 +9925,7 @@ void Unit::SetInCombatState(bool PvP)
 
     SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IN_COMBAT);
 
-    if(GetTypeId() != TYPEID_PLAYER)
+    if(GetTypeId() != TYPEID_PLAYER && GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_IDLE) != IDLE_MOTION_TYPE)
         ((Creature*)this)->SetHomePosition(GetPositionX(), GetPositionY(), GetPositionZ(), GetOrientation());
 
     if(GetTypeId() != TYPEID_PLAYER && ((Creature*)this)->isPet())