message: add PV position info in AOD
diff: @@ -1096,7 +1096,7 @@ Bool_t AliAnalysisTaskXi1530::GoodCascadeSelection() {
  Double_t fDCADist_Lambda_PV =
  fabs(Xicandidate_aod->DcaV0ToPrimVertex());
  Double_t fDCADist_Xi_PV =
  - fabs(Xicandidate_aod->DcaXiToPrimVertex());
  + fabs(Xicandidate_aod->DcaXiToPrimVertex(PVx, PVy, PVz));
  if (Xicandidate_aod->ChargeXi() == -1) { // Xi- has +proton, -pion
  fDCADist_LambdaProton_PV =
  fabs(Xicandidate_aod->DcaPosToPrimVertex());
  