message: Fill the tree with secondaries from material
diff: @@ -371,9 +371,13 @@ void AliAnalysisTaskStrangenessLifetimes::UserExec(Option_t *) {
  } else if (mcEvent->IsPhysicalPrimary(ilab)) {
  v0part.SetStatus(MCparticle::kPrimary);
  fHistMCctPrimary[idx]->Fill(dist * part->GetMass() / part->P());
  - } else {
  + } else if (mcEvent->IsSecondaryFromMaterial(ilab)) {
  + v0part.SetStatus(MCparticle::kSecondaryFromWeakDecay);
  fHistMCctSecondaryFromMaterial[idx]->Fill(dist * part->GetMass() / part->P());
  - continue;
  + } else {
  + ::Fatal("AliAnalysisTaskStrangenessLifetimes::UserExec",
  + "A particle that is not primary, not secondary from weak decay nor from material."
  + "It does know only what it is not.");
  }
  mcMap[ilab] = fMCvector.size();
  fMCvector.push_back(v0part);
  