message: fix addition of same histogram twice and not of another
diff: @@ -556,7 +556,7 @@ TList * AliAnaPi0::GetCreateOutputObjects()
  fhPrimEtaAccE = new TH1F("hPrimEtaAccE","Primary #eta #it{E} with both photons in acceptance",
  nptbins,ptmin,ptmax) ;
  fhPrimEtaAccE->SetXTitle("#it{E} (GeV)");
  - outputContainer->Add(fhPrimEtaE) ;
  + outputContainer->Add(fhPrimEtaAccE) ;
  fhPrimEtaAccPt = new TH1F("hPrimEtaAccPt","Primary eta #it{p}_{T} with both photons in acceptance",
  nptbins,ptmin,ptmax) ;
  