Fix deprecation warning for ROOT serdes method in old Histo MQ device

MQ/histoServer/CbmHistoServer.cxx

@@ -45,7 +45,7 @@ void CbmHistoServer::InitTask()
 bool CbmHistoServer::ReceiveData(FairMQMessagePtr& msg, int /*index*/)
 {
   TObject* tempObject = nullptr;
-  Deserialize<RootSerializer>(*msg, tempObject);
+  RootSerializer().Deserialize(*msg, tempObject);
 
   if (TString(tempObject->ClassName()).EqualTo("TObjArray")) {
     std::lock_guard<std::mutex> lk(mtx);