added function getBaseFunctionSet.

[[Imported from SVN: r4089]]

fem/common/localfunctionwrapper.hh

@@ -228,6 +228,11 @@ namespace Dune {
       localFunc().init(en);
     }
 
+    const BaseFunctionSetType& getBaseFunctionSet() const
+    {
+      return localFunc().getBaseFunctionSet();
+    }
+
   private:
     LocalFunctionWrapper& operator=(const LocalFunctionWrapper);