fix another bug by Vitya

analysis/common/analysis_tree_converter/CbmRecEventHeaderConverter.cxx

@@ -61,20 +61,26 @@ void CbmRecEventHeaderConverter::ProcessData(CbmEvent* event)
   rec_event_header_->SetField(n_sts_tracks, branch.GetFieldId("M"));
   rec_event_header_->SetField(GetPsdEnergy(event), branch.GetFieldId("Epsd"));
 
+  int evt_id;
+  float match_weight, start_time, end_time;
   if (event) {
-    rec_event_header_->SetField(int(event->GetUniqueID()), branch.GetFieldId("evt_id"));
-    rec_event_header_->SetField(float(event->GetStartTime()), branch.GetFieldId("start_time"));
-    rec_event_header_->SetField(float(event->GetEndTime()), branch.GetFieldId("end_time"));
-    rec_event_header_->SetField(float(event->GetMatch()->GetMatchedLink().GetWeight()),
-                                branch.GetFieldId("match_weight"));
-    //    std::cout << "!!!!!!! " << event->GetMatch()->GetMatchedLink().GetWeight() << std::endl;
+    evt_id     = event->GetUniqueID();
+    start_time = event->GetStartTime();
+    end_time   = event->GetEndTime();
+    if (event->GetMatch()) match_weight = float(event->GetMatch()->GetMatchedLink().GetWeight());
+    else
+      match_weight = 0.;
   }
   else {
-    rec_event_header_->SetField(int(cbm_header_->GetEventID()), branch.GetFieldId("evt_id"));
-    rec_event_header_->SetField(float(cbm_header_->GetT()), branch.GetFieldId("start_time"));
-    rec_event_header_->SetField(float(cbm_header_->GetT()), branch.GetFieldId("end_time"));
-    rec_event_header_->SetField(1.f, branch.GetFieldId("match_weight"));
+    evt_id       = cbm_header_->GetEventID();
+    start_time   = cbm_header_->GetT();
+    end_time     = cbm_header_->GetT();
+    match_weight = 1.;
   }
+  rec_event_header_->SetField(evt_id, branch.GetFieldId("evt_id"));
+  rec_event_header_->SetField(start_time, branch.GetFieldId("start_time"));
+  rec_event_header_->SetField(end_time, branch.GetFieldId("end_time"));
+  rec_event_header_->SetField(match_weight, branch.GetFieldId("match_weight"));
 }
 
 float CbmRecEventHeaderConverter::GetPsdEnergy(CbmEvent* event)