message: fix histo axis title
diff: @@ -3621,7 +3621,7 @@ TList * AliAnaPhoton::GetCreateOutputObjects()
  cenBinsArray.GetSize() - 1, cenBinsArray.GetArray());
  //nptbins,ptmin,ptmax,7,0,7);
  fhMCPrimParticleAccCen->SetXTitle("#it{p}_{T} (GeV/#it{c})");
  - fhMCPrimParticleAccCen->SetXTitle("Centrality (%)");
  + fhMCPrimParticleAccCen->SetZTitle("Centrality (%)");
  for(Int_t imcpart = 1; imcpart < 8; imcpart++)
  fhMCPrimParticleAccCen->GetYaxis()->SetBinLabel(imcpart,mcPartLabels[imcpart-1]);
  outputContainer->Add(fhMCPrimParticleAccCen);
  