Core/WorldSocket: Fix a crash in HandleAuthSession

--HG--
branch : trunk

src/server/game/Server/WorldSocket.cpp

@@ -784,7 +784,7 @@ int WorldSocket::HandleAuthSession (WorldPacket& recvPacket)
         packet << uint8(AUTH_REJECT);
         SendPacket (packet);
 
-        sLog.outError ("WorldSocket::HandleAuthSession: World closed, denying client (%s).", m_Session->GetRemoteAddress().c_str());
+        sLog.outError ("WorldSocket::HandleAuthSession: World closed, denying client (%s).", GetRemoteAddress().c_str());
         return -1;
     }