message: Fix resetting fixed histograms after PushBack
diff: @@ -1094,6 +1094,9 @@ int AliHLTGlobalPromptRecoQAComponent::DoEvent( const AliHLTComponentEventData&
  fHistTPCTrackPt->Fill(1. / track->fq1Pt);
  pCurrent += sizeof(AliHLTExternalTrackParam) + track->fNPoints * sizeof(UInt_t);
  }
  + if (PushBack(fHistTPCTrackPt, kAliHLTDataTypeHistogram|kAliHLTDataOriginHLT)>0) {
  + fHistTPCTrackPt->Reset();
  + }
  }
  if ( fHistClusterChargeTot &&
  @@ -1107,10 +1110,12 @@ int AliHLTGlobalPromptRecoQAComponent::DoEvent( const AliHLTComponentEventData&
  nTPCHitsSplitPad += cluster.GetFlagSplitPad();
  nTPCHitsSplitTime += cluster.GetFlagSplitTime();
  }
  + if (PushBack(fHistClusterChargeTot, kAliHLTDataTypeHistogram|kAliHLTDataOriginHLT)>0) {
  + fHistClusterChargeTot->Reset();
  }
  }
  - PushBack(fHistTPCTrackPt, kAliHLTDataTypeHistogram|kAliHLTDataOriginHLT);
  - PushBack(fHistClusterChargeTot, kAliHLTDataTypeHistogram|kAliHLTDataOriginHLT);
  + }
  +
  //convert the numbers fo floats for histograms
  fnClustersSPD = nClustersSPD;
  