Core: Remove "may be used uninitialized in this function", "unused parameter ‘xxx’" and "'xxx' defined but not used" warnings

--HG--
branch : trunk

src/server/game/Scripting/ScriptMgr.h

@@ -177,7 +177,7 @@ template<class TObject> class UpdatableScript
 
     public:
 
-        virtual void OnUpdate(TObject* obj, uint32 diff) { }
+        virtual void OnUpdate(TObject* /*obj*/, uint32 /*diff*/) { }
 };
 
 class SpellHandlerScript : public ScriptObject