message: Updated AddTaskFourPionsGNP.C
  line 20 was changed
diff: -AliAnalysisTaskUpcFourPions* AddTaskFourPions(Bool_t runTree = kFALSE, Bool_t runHist = kTRUE, Bool_t runSyst = kFALSE, Int_t tracking = 0) {
  +AliAnalysisTaskUpcFourPi* AddTaskFourPionsGNP(Bool_t runTree = kFALSE, Bool_t runHist = kTRUE, Bool_t runSyst = kFALSE, Int_t tracking = 0) {
  //--- get the current analysis manager ---//
  AliAnalysisManager* mgr = AliAnalysisManager::GetAnalysisManager();
  @@ -17,7 +17,7 @@ AliAnalysisTaskUpcFourPions* AddTaskFourPions(Bool_t runTree = kFALSE, Bool_t ru
  TString inputDataType = mgr->GetInputEventHandler()->GetDataType(); // can be "ESD" or "AOD"
  // Create tasks
  - AliAnalysisTaskUpcEtaCAWP* task = new AliAnalysisTaskUpcEtaCAWP(inputDataType.Data());
  + AliAnalysisTaskUpcFourPi* task = new AliAnalysisTaskUpcFourPi(inputDataType.Data());
  task->SetRunTree(runTree);
  task->SetRunHist(runHist);
  task->SetRunSyst(runSyst);
  