*Add UNIT_FLAG_NOT_ATTACKABLE_2. Not attackable, but can be hit by entry-target spells (I guess).

--HG--
branch : trunk

src/game/Unit.cpp

@@ -8555,7 +8555,8 @@ bool Unit::isAttackableByAOE() const
     if(!isAlive())
         return false;
 
-    if(HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE))
+    if(HasFlag(UNIT_FIELD_FLAGS, 
+        UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE | UNIT_FLAG_NOT_ATTACKABLE_2))
         return false;
 
     if(GetTypeId()==TYPEID_PLAYER && ((Player *)this)->isGameMaster())