message: Bugfix in new vertexer feature
diff: @@ -1641,8 +1641,11 @@ Double_t AliAnalysisTaskWeakDecayVertexer::PropagateToDCA(AliESDv0 *v, AliExtern
  AliExternalTrackParam lV0TrajObject(xyz,pxpypz,cv,+1), *hV0Traj = &lV0TrajObject;
  hV0Traj->ResetCovariance(1); //won't use
  - //Double_t p1[8]; t->GetHelixParameters(p1,b);
  - //p1[6]=TMath::Sin(p1[2]); p1[7]=TMath::Cos(p1[2]);
  + //Re-acquire helix parameters for bachelor (necessary!)
  + t->GetHelixParameters(p1,b);
  + p1[6]=TMath::Sin(p1[2]);
  + p1[7]=TMath::Cos(p1[2]);
  +
  Double_t p2[8]; hV0Traj->GetHelixParameters(p2,0.0); //p2[4]=0 -> no curvature (fine, predicted in Evaluate)
  p2[6]=TMath::Sin(p2[2]); p2[7]=TMath::Cos(p2[2]);
  