message: fix a bug in the task
diff: @@ -1793,6 +1793,7 @@ Int_t AliHFEmcQA::GetElecSource(TParticle * const mcpart, Bool_t isElec, Double_
  for (Int_t i=0; i<fNparents; i++){
  if (TMath::Abs(maPdgcode)==fParentSelect[0][i]){
  + mpt = partMother->Pt();
  isFinalOpenCharm = kTRUE;
  }
  }
  @@ -1801,7 +1802,7 @@ Int_t AliHFEmcQA::GetElecSource(TParticle * const mcpart, Bool_t isElec, Double_
  // iterate until you find B hadron as a mother or become top ancester
  for (Int_t i=1; i<fgkMaxIter; i++){
  - mpt = partMother->Pt();
  +
  Int_t jLabel = partMother->GetFirstMother();
  if (jLabel == -1){
  return kDirectCharm;
  