*Fix broken instance scripts.

--HG--
branch : trunk

src/game/Creature.cpp

@@ -1387,7 +1387,7 @@ bool Creature::CreateFromProto(uint32 guidlow, uint32 Entry, uint32 team, const
     Map *map = FindMap();
     if(map && map->IsDungeon() && ((InstanceMap*)map)->GetInstanceData())
     {
-        ((InstanceMap*)map)->GetInstanceData()->OnCreatureCreate(this);
+        ((InstanceMap*)map)->GetInstanceData()->OnCreatureCreate(this, true);
     }
 
     return true;

src/game/InstanceData.cpp

@@ -54,7 +54,7 @@ bool InstanceData::IsEncounterInProgress() const
 //This will be removed in the future, just compitiable with Mangos
 void InstanceData::OnCreatureCreate(Creature *creature, bool add)
 {
-    OnCreatureCreate(creature, creature->GetEntry(), add);
+    OnCreatureCreate(creature, creature->GetEntry());
 }
 
 void InstanceData::SetBossRoomDoor(uint32 id, GameObject *door, bool add)

src/game/InstanceData.h

@@ -80,11 +80,15 @@ class TRINITY_DLL_SPEC InstanceData
         virtual void OnPlayerEnter(Player *) {}
 
         //Called when a gameobject is created
-        virtual void OnObjectCreate(GameObject *, bool add = true) {}
+        virtual void OnObjectCreate(GameObject *go, bool add)
+        {
+            OnObjectCreate(go);
+        }
+        virtual void OnObjectCreate(GameObject *) {}
 
         //called on creature creation
-        virtual void OnCreatureCreate(Creature *, bool add = true);
-        virtual void OnCreatureCreate(Creature *, uint32 entry, bool add = true) {}
+        virtual void OnCreatureCreate(Creature *, bool add);
+        virtual void OnCreatureCreate(Creature *, uint32 entry) {}
 
         //All-purpose data storage 64 bit
         virtual uint64 GetData64(uint32 /*Data*/) { return 0; }