message: give fatal error to be sure we do not skip this code
diff: @@ -505,7 +505,7 @@ int AliHLTTPCHWClusterDecoderComponent::DoEvent(const AliHLTComponentEventData&
  }
  }
  #else
  - HLTWarning("Using compiler that does not support clz, disabling significant bit truncation for HLT clusters");
  + HLTFatal("Using compiler that does not support clz, disabling significant bit truncation for HLT clusters");
  #endif
  }
  