message: Add getter checking the scaling setting
  Getter is needed to check whether scaled merging is activated
  from outside.
diff: @@ -29,6 +29,7 @@ public:
  ~AliEmcalList() {}
  Long64_t Merge(TCollection *hlist);
  void SetUseScaling(Bool_t val) {fUseScaling = val;}
  + Bool_t IsUseScaling() const { return fUseScaling; }
  private:
  // ####### Helper functions
  