*Do not keep area aura targets in combat with aura owner

*Add some safety checks to area aura target map update.

--HG--
branch : trunk

src/game/SpellAuraEffects.cpp

@@ -386,7 +386,7 @@ void AuraEffect::GetTargetList(std::list<Unit *> & targetList) const
 {
     Aura::ApplicationMap const & targetMap = GetBase()->GetApplicationMap();
     // remove all targets which were not added to new list - they no longer deserve area aura
-    for (Aura::ApplicationMap::const_iterator appIter = targetMap.begin(); appIter != targetMap.end(); appIter++)
+    for (Aura::ApplicationMap::const_iterator appIter = targetMap.begin(); appIter != targetMap.end(); ++appIter)
     {
         if(appIter->second->HasEffect(GetEffIndex()))
             targetList.push_back(appIter->second->GetTarget());