*Change react state of guardian back to aggressive. Instead check threat radius in canstartattack to prevent them attack too far target.

--HG--
branch : trunk

src/game/Unit.cpp

@@ -11187,11 +11187,8 @@ Unit* Creature::SelectVictim()
 
     // search nearby enemy before enter evade mode
     if(HasReactState(REACT_AGGRESSIVE))
-    {
-        target = SelectNearestTarget();
-        if(target && !IsOutOfThreatArea(target))
+        if(target = SelectNearestTarget())
             return target;
-    }
 
     if(m_invisibilityMask)
     {