message: Fix method to get daughters from V0
diff: @@ -364,8 +364,8 @@ void AliAnalysisTaskStrAODqa::UserExec(Option_t *)
  fV0_InvMassALam = v0->MassAntiLambda();
  //retrieve daughter AODTracks
  - AliAODTrack *pTrack = (AliAODTrack*) lAODevent->GetTrack(0);
  - AliAODTrack *nTrack = (AliAODTrack*) lAODevent->GetTrack(1);
  + AliAODTrack *pTrack = (AliAODTrack*) v0->GetSecondaryVtx()->GetDaughter(0);
  + AliAODTrack *nTrack = (AliAODTrack*) v0->GetSecondaryVtx()->GetDaughter(1);
  if (!pTrack || !nTrack) { AliWarning("ERROR: Could not retrieve one of the daughter tracks\n"); continue; }
  