message: Bugfix for GPU tracking, do not run when number of tracklets is negative, indicating no more tracklets to process
diff: @@ -73,7 +73,7 @@ GPUdi() void AliHLTTPCCATrackletConstructor::AliHLTTPCCATrackletConstructorGPU(G
  GPUsync();
  }
  - rMem.fGo = rMem.fItr < sMem.fNTracklets;
  + rMem.fGo = rMem.fItr >= 0 && rMem.fItr < sMem.fNTracklets;
  DoTracklet(tracker, sMem, rMem);
  }
  