message: correct track fit, if possible transport track parameters of slice track to correct end of track segment as guess for the global track - otherwise the fit might fail on the first hits.
diff: @@ -845,10 +845,21 @@ void AliHLTTPCGMMerger::CollectMergedTracks()
  AliHLTTPCGMTrackParam &p1 = mergedTrack.Param();
  const AliHLTTPCGMSliceTrack &p2 = *(trackParts[firstTrackIndex]);
  + AliHLTTPCGMBorderTrack b;
  + if (p2.TransportToX(clX[0], fSliceParam.ConstBz(), b, 0.999))
  + {
  + p1.X() = clX[0];
  + p1.Y() = b.Par()[0];
  + p1.Z() = b.Par()[1];
  + p1.SinPhi() = b.Par()[2];
  + }
  + else
  + {
  p1.X() = p2.X();
  p1.Y() = p2.Y();
  p1.Z() = p2.Z();
  p1.SinPhi() = p2.SinPhi();
  + }
  p1.DzDs() = p2.DzDs();
  p1.QPt() = p2.QPt();
  mergedTrack.SetAlpha( p2.Alpha() );
  