message: Fixing the error with std::map.
diff: @@ -50,8 +50,8 @@ private:
  TH2F* fNumberMCMuonsH; //! count MC muons per event
  // TH2F* fRAbsMuonH; //! distribution of RAbsMuon for selected events
  // TH2F* fMuMuMassPtH; //! kinematics of dimouns
  - map<Int_t,Double_t> fMapRunAndLumi;
  - map<Int_t,Double_t> fMapAnalysedMC;
  + std::map<Int_t,Double_t> fMapRunAndLumi;
  + std::map<Int_t,Double_t> fMapAnalysedMC;
  TTree *fRecTree; //! analysis tree
  Int_t fRunNum;
  