message: Obtain MultRef08 directly from the event header
diff: @@ -132,6 +132,8 @@ AliFemtoDreamEvent &AliFemtoDreamEvent::operator=(
  }
  void AliFemtoDreamEvent::SetEvent(AliAODEvent *evt) {
  + AliAODHeader *header = dynamic_cast<AliAODHeader*>(evt->GetHeader());
  +
  AliAODVertex *vtx = evt->GetPrimaryVertex();
  AliAODVZERO *vZERO = evt->GetVZEROData();
  if (!vtx) {
  @@ -165,7 +167,7 @@ void AliFemtoDreamEvent::SetEvent(AliAODEvent *evt) {
  this->fV0AMult = vZERO->GetMTotV0A();
  this->fV0CMult = vZERO->GetMTotV0C();
  this->fspher = CalculateSphericityEvent(evt);
  -
  + fRefMult08 = header->GetRefMultiplicityComb08();
  AliMultSelection *MultSelection = 0x0;
  MultSelection = (AliMultSelection *) evt->FindListObject("MultSelection");
  if (!MultSelection) {
  @@ -173,7 +175,6 @@ void AliFemtoDreamEvent::SetEvent(AliAODEvent *evt) {
  AliWarning("AliMultSelection object not found!");
  } else {
  fV0MCentrality = MultSelection->GetMultiplicityPercentile("V0M");
  - fRefMult08 = MultSelection->GetMultiplicityPercentile("RefMult08");
  }
  return;
  }
  