message: Fix empty pointer PrimaryVertex
diff: @@ -695,11 +695,11 @@ void AliAnalysisTaskSEDStarCharmFraction::UserExec(Option_t */*option*/)
  }
  fNEvents->Fill(7);
  - if(!cand->GetOwnPrimaryVtx()){
  + if(!aodEvent->GetPrimaryVertex()){
  delete fNewPrimVtx; fNewPrimVtx = 0;
  continue;
  }
  - fNewPrimVtx = new AliAODVertex(*cand->GetOwnPrimaryVtx());
  + fNewPrimVtx = new AliAODVertex(*aodEvent->GetPrimaryVertex());
  //D* vertexing
  fDStarVtx = ReconstructDStarVtx(cand);
  