message: Fix masking of channels in masked TRUs in STU regions
  Wrong comparator made channels which were already
  masked at L0 masked twice, instead of masking all
  other channels in the TRU.
diff: @@ -115,7 +115,7 @@ std::vector<int> AliEmcalTriggerMaskHandlerOCDB::GetMaskedFastorIndicesL1(int ru
  for(int ichannel = 0; ichannel < 96; ichannel++) {
  int absfastor;
  geo->GetTriggerMapping()->GetAbsFastORIndexFromTRU(truID, ichannel, absfastor);
  - if(std::find(maskedfastors.begin(), maskedfastors.end(), absfastor) != maskedfastors.end()) maskedfastors.push_back(absfastor);
  + if(std::find(maskedfastors.begin(), maskedfastors.end(), absfastor) == maskedfastors.end()) maskedfastors.push_back(absfastor);
  }
  }
  