message: fix possible floating point exception in debug component when input data is empty
diff: @@ -745,14 +745,15 @@ int AliHLTTPCClusterStatComponent::DoEvent(const AliHLTComponentEventData &evtDa
  for (int ip = 0; ip < 6; ip++)
  if (clustersTrackIDArray[is][ip]) delete[] clustersTrackIDArray[is][ip];
  + int total = fTotal == 0 ? 1 : fTotal;
  fAssigned += nClusterTracks;
  HLTImportant("Total %d Assigned %d (%2.0f\%) SplitPad %d (%2.0f\%) SplitTime %d (%2.0f\%) SplitPadTime %d (%2.0f\%) SplitPadOrTime %d (%2.0f\%) Edge %d (%2.0f\%)", fTotal,
  - fAssigned, (float) fAssigned / (float) fTotal * 100.f,
  - fSplitPad, (float) fSplitTime / (float) fTotal * 100.f,
  - fSplitTime, (float) fSplitTime / (float) fTotal * 100.f,
  - fSplitPadTime, (float) fSplitPadTime / (float) fTotal * 100.f,
  - fSplitPadOrTime, (float) fSplitPadOrTime / (float) fTotal * 100.f,
  - fEdge, (float) fEdge / (float) fTotal * 100.f);
  + fAssigned, (float) fAssigned / (float) total * 100.f,
  + fSplitPad, (float) fSplitTime / (float) total * 100.f,
  + fSplitTime, (float) fSplitTime / (float) total * 100.f,
  + fSplitPadTime, (float) fSplitPadTime / (float) total * 100.f,
  + fSplitPadOrTime, (float) fSplitPadOrTime / (float) total * 100.f,
  + fEdge, (float) fEdge / (float) total * 100.f);
  if (nClusterTracks)
  {
  