message: fix the code for count Nch
diff: @@ -1382,7 +1382,7 @@ Bool_t AliAnalysisHFjetTagHFE::Run()
  fzvtx_Ntrkl->Fill(Zvertex,nAcc);
  //============Tracklet correction=================
  - CountNch();
  + if(fMCarray)CountNch();
  Double_t correctednAcc = nAcc;
  Double_t WeightNtrkl = -1.;
  Double_t WeightZvtx = -1.;
  