Fix memory leak (RGBController::GetDeviceDescription)

NetworkServer.cpp

@@ -833,6 +833,8 @@ void NetworkServer::SendReply_ControllerData(SOCKET client_sock, unsigned int de
 
         send(client_sock, (const char *)&reply_hdr, sizeof(NetPacketHeader), 0);
         send(client_sock, (const char *)reply_data, reply_size, 0);
+
+        delete reply_data;
     }
 }