message: Fix compilation issue with some compiler/root version, that tries to access the protected sub-struct
diff: @@ -22,15 +22,23 @@ class AliHLTTPCClusterXYZ;
  class AliHLTTPCClusterStatComponent : public AliHLTProcessor, public AliOptionParser
  {
  - protected:
  - class AliHLTTPCTrackHelperStruct;
  -
  public:
  /** standard constructor */
  AliHLTTPCClusterStatComponent();
  /** destructor */
  virtual ~AliHLTTPCClusterStatComponent();
  + struct AliHLTTPCTrackHelperStruct
  + {
  + int fID;
  + const AliHLTExternalTrackParam* fTrack;
  + float fResidualPad;
  + float fResidualTime;
  + bool fFirstHit;
  + long long int fAverageQMax;
  + long long int fAverageQTot;
  + };
  +
  // interface methods of base class
  const char* GetComponentID() {return "TPCClusterStat";};
  void GetInputDataTypes(AliHLTComponentDataTypeList& list);
  @@ -58,16 +66,6 @@ class AliHLTTPCClusterStatComponent : public AliHLTProcessor, public AliOptionPa
  int ProcessOption(TString option, TString value);
  - struct AliHLTTPCTrackHelperStruct
  - {
  - int fID;
  - const AliHLTExternalTrackParam* fTrack;
  - float fResidualPad;
  - float fResidualTime;
  - bool fFirstHit;
  - long long int fAverageQMax;
  - long long int fAverageQTot;
  - };
  private:
  /** copy constructor prohibited */
  