Core: Get rid of dirty operator workaround for ACE_Singleton class implementation

--HG--
branch : trunk

src/server/scripts/Commands/cs_modify.cpp

@@ -1320,7 +1320,7 @@ public:
             return false;
         }
 
-        PlayerInfo const* info = sObjectMgr.GetPlayerInfo(target->getRace(), target->getClass());
+        PlayerInfo const* info = sObjectMgr->GetPlayerInfo(target->getRace(), target->getClass());
         if (!info)
             return false;