message: Add getter for fit function
diff: @@ -99,6 +99,7 @@ class AliHFInvMassFitter : public TNamed {
  TF1* GetBackgroundFullRangeFunc(){return fBkgFunc;}
  TF1* GetBackgroundRecalcFunc(){return fBkgFuncRefit;}
  TF1* GetBkgPlusReflFunc(){return fBkRFunc;}
  + TF1* GetSignalFunc(){return fSigFunc;}
  TF1* GetMassFunc(){return fTotFunc;}
  Double_t GetChiSquare() const{
  if(fTotFunc) return fTotFunc->GetChisquare();
  