message: added histo for cent vs. Nch correlation
diff: @@ -746,6 +746,7 @@ void AliAnalysisTaskCaloHFEpp::UserCreateOutputObjects()
  fOutputList->Add(fNtrkl_noCorr);
  fOutputList->Add(fzvtx_V0M);
  fOutputList->Add(fcent_V0M);
  + fOutputList->Add(fcent_nAcc);
  fOutputList->Add(fNchNtr);
  fOutputList->Add(fNchNtr_Corr);
  fOutputList->Add(fNchMC);
  @@ -1069,6 +1070,8 @@ void AliAnalysisTaskCaloHFEpp::UserExec(Option_t *)
  }
  fzvtx_Ntrkl->Fill(Zvertex,nAcc);
  + fcent_nAcc->Fill(centrality_mult,nAcc);
  +
  if(fmult_type==1)
  {
  if(nAcc<1)return;
  @@ -1083,7 +1086,6 @@ void AliAnalysisTaskCaloHFEpp::UserExec(Option_t *)
  fzvtx_V0M->Fill(Zvertex,V0Mult);
  fcent_V0M->Fill(centrality_mult,V0Mult);
  - fcent_nAcc->Fill(centrality_mult,nAcc);
  //-----------Tracklet correction-------------------------
  