message: Verify if ZDC data present in AODs before attempting to use
diff: @@ -1359,6 +1359,8 @@ void AliMultSelectionTask::UserExec(Option_t *)
  //FIXME: get ZDC information in AOD in a fully consistent way
  AliAODZDC *lAODZDC = aodevent->GetZDCData();
  + //Only do this bit if the AOD has ZDC data
  + if( lAODZDC ){
  for (Int_t j = 0; j < 4; ++j) {
  if (lAODZDC->GetZNATDCm(j) != 0) fZnaFired -> SetValueInteger(1);
  if (lAODZDC->GetZNCTDCm(j) != 0) fZncFired -> SetValueInteger(1);
  @@ -1375,6 +1377,7 @@ void AliMultSelectionTask::UserExec(Option_t *)
  fZpaTower -> SetValue ( (Float_t) ZPAtower[0] );
  fZpcTower -> SetValue ( (Float_t) ZPCtower[0] );
  }
  + }
  fHistEventSelections -> Fill ( fEvSel_Triggered , 0.5 );
  fHistEventSelections -> Fill ( fEvSel_VtxZCut , 1.5 );
  