Scripts/Temple of Anh'Qiraj: Fixed possible crash in mob_anubisath_sentinel

--HG--
branch : trunk

src/server/game/Entities/Unit/Unit.cpp

@@ -3435,9 +3435,8 @@ void Unit::_AddAura(UnitAura * aura, Unit * caster)
         if (Aura * foundAura = GetOwnedAura(aura->GetId(), aura->GetCasterGUID(), aura->GetCastItemGUID(), 0, aura))
         {
             if (aura->GetSpellProto()->StackAmount)
-            {
                 aura->ModStackAmount(foundAura->GetStackAmount());
-            }
+
             // Update periodic timers from the previous aura
             for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
             {

src/server/scripts/Kalimdor/TempleOfAhnQiraj/mob_anubisath_sentinel.cpp

@@ -258,13 +258,12 @@ public:
 
         Unit *GetHatedManaUser() const
         {
-            std::list<HostileReference*>::const_iterator i;
-            for (i = me->getThreatManager().getThreatList().begin(); i != me->getThreatManager().getThreatList().end(); ++i)
-            {
-                Unit* pUnit = Unit::GetUnit((*me), (*i)->getUnitGuid());
-                if (pUnit->getPowerType() == POWER_MANA)
-                    return pUnit;
-            }
+            std::list<HostileReference*> const& threatList = me->getThreatManager().getThreatList();
+            for (std::list<HostileReference*>::const_iterator i = threatList.begin(); i != threatList.end(); ++i)
+                if (Unit* unit = (*i)->getTarget())
+                    if (unit->getPowerType() == POWER_MANA)
+                        return unit;
+
             return NULL;
         }