message: Fix in treatment of return value of RunCustomPileUpFinders
  returned false should be treated as a failure, while opposite was done
diff: @@ -2562,7 +2562,7 @@ Bool_t AliReconstruction::ProcessEvent(Int_t iEvent)
  }
  if (fRunCustomPileupFinders) {
  - if (RunCustomPileUpFinders(fesd)) {
  + if (!RunCustomPileUpFinders(fesd)) {
  if (fStopOnError) {CleanUp(); return kFALSE;}
  }
  }
  