message: Update AliAnalysisTaskEtaDist.cxx
  reject pile up event, not track only in MC
diff: ////////////////////////////////////////////////////////
  // AliAnalysisTaskEtaDist:
  +// Description: Analysis task
  // Author: Raquel Quishpe (raquel.quishpe@cern.ch)
  ////////////////////////////////////////////////////////
  @@ -208,9 +209,9 @@ void AliAnalysisTaskEtaDist::UserExec(Option_t *)
  printf("AliAnalysisTaskSEHFTreeCreator::UserExec: MC header branch not found!\n");
  return;
  }
  - Bool_t isParticleFromOutOfBunchPileUpEvent = kFALSE;
  - isParticleFromOutOfBunchPileUpEvent = AliAnalysisUtils::IsParticleFromOutOfBunchPileupCollision(-1, mcHeader, stack);
  - if(isParticleFromOutOfBunchPileUpEvent) return;
  + Bool_t isPileupInGeneratedEvent = kFALSE;
  + isPileupInGeneratedEvent = AliAnalysisUtils::IsPileupInGeneratedEvent(mcHeader,"Hijing");
  + if(isPileupInGeneratedEvent) return;
  }
  mNMC = 0;
  