Remove unsafe reserve in charm FemtoDream producers

Author: zhangbiao-phy

PWGHF/HFC/TableProducer/producerCharmHadronsTrackFemtoDream.cxx

@@ -253,18 +253,18 @@ struct HfProducerCharmHadronsTrackFemtoDream {
     trackRegistry.add("AnalysisQA/CutCounter", "; Bit; Counter", kTH1F, {{cutBits + 1, -0.5, cutBits + 0.5}});
 
     // event QA histograms
-    constexpr int kEventTypes = PairSelected + 1;
-    std::string labels[kEventTypes];
+    constexpr int EventTypes = PairSelected + 1;
+    std::string labels[EventTypes];
     labels[Event::All] = "All events";
     labels[Event::RejEveSel] = "rejected by event selection";
     labels[Event::RejNoTracksAndCharm] = "rejected by no tracks and charm";
     labels[Event::TrackSelected] = "with tracks ";
     labels[Event::CharmSelected] = "with charm hadrons ";
     labels[Event::PairSelected] = "with pairs";
 
-    static const AxisSpec axisEvents = {kEventTypes, 0.5, kEventTypes + 0.5, ""};
+    static const AxisSpec axisEvents = {EventTypes, 0.5, EventTypes + 0.5, ""};
     qaRegistry.add("hEventQA", "Events;;entries", HistType::kTH1F, {axisEvents});
-    for (int iBin = 0; iBin < kEventTypes; iBin++) {
+    for (int iBin = 0; iBin < EventTypes; iBin++) {
       qaRegistry.get<TH1>(HIST("hEventQA"))->GetXaxis()->SetBinLabel(iBin + 1, labels[iBin].data());
     }