*Allow not to switch to charmed AI for some scripts.

--HG--
branch : trunk

src/game/Unit.cpp

@@ -151,7 +151,7 @@ bool IsPassiveStackableSpell( uint32 spellId )
 
 Unit::Unit()
 : WorldObject(), i_motionMaster(this), m_ThreatManager(this), m_HostilRefManager(this)
-, m_IsInNotifyList(false), m_Notified(false), IsAIEnabled(false)
+, m_IsInNotifyList(false), m_Notified(false), IsAIEnabled(false), NeedChangeAI(false)
 , i_AI(NULL), i_disabledAI(NULL)
 {
     m_objectType |= TYPEMASK_UNIT;