repair the vertex geometry specialization

dune/curvedsurfacegrid/geometry.hh

@@ -171,12 +171,12 @@ protected:
 
 public:
   template <class... Args>
-  VertexGeometry (const ReferenceElement& refElement, const LocalFunction& lf, Args&&... args)
+  VertexGeometry (const ReferenceElement& refElement, int, const LocalFunction& lf, Args&&... args)
     : VertexGeometry(Construct{}, refElement, lf, LocalGeometry(std::forward<Args>(args)...))
   {}
 
   template <class... Args>
-  VertexGeometry (Dune::GeometryType gt, const LocalFunction& lf, Args&&... args)
+  VertexGeometry (Dune::GeometryType gt, int, const LocalFunction& lf, Args&&... args)
     : VertexGeometry(Construct{}, ReferenceElements::general(gt), lf,
                 LocalGeometry(std::forward<Args>(args)...))
   {}
@@ -203,8 +203,17 @@ private:
 
 
 // Specialization for vertex geometries
-template <class ct, int cdim, class LF, class LG, bool useInterpolation>
-class Geometry<ct,0,cdim,LF,LG, useInterpolation>
+template <class ct, int cdim, class LF, class LG>
+class Geometry<ct,0,cdim,LF,LG,true>
+    : public VertexGeometry<ct,cdim,LF,LG>
+{
+  using Super = VertexGeometry<ct,cdim,LF,LG>;
+public:
+  using Super::Super;
+};
+
+template <class ct, int cdim, class LF, class LG>
+class Geometry<ct,0,cdim,LF,LG,false>
     : public VertexGeometry<ct,cdim,LF,LG>
 {
   using Super = VertexGeometry<ct,cdim,LF,LG>;