message: Corrected output tree for 4 track events
diff: @@ -1639,6 +1639,8 @@ void AliAnalysisTaskUpcRhoJpsi::RunESDhist()
  vPIDE[iTrack]=fPIDTPCElectron;
  vPIDP[iTrack]=fPIDTOFProton;
  }
  + vNum = nGoodTracks;
  + fTrkTree->Fill();
  if((nLepton == 2) && (nPion == 2)){
  fHistNeventsPsi2s->Fill(7);
  if(qLepton[0]*qLepton[1] > 0) fHistNeventsPsi2s->Fill(8);
  