[box][scv,scvf] Make backwards compatible with dune 2.5

dumux/discretization/box/subcontrolvolume.hh

@@ -83,7 +83,11 @@ public:
     // e.g. for integration
     Geometry geometry() const
     {
+#if DUNE_VERSION_NEWER(DUNE_COMMON,2,6)
         return Geometry(Dune::GeometryTypes::cube(dim), corners_);
+#else
+        return Geometry(Dune::GeometryType(Dune::GeometryType::cube, dim), corners_);
+#endif
     }
 
     //! The global index of this scv

dumux/discretization/box/subcontrolvolumeface.hh

@@ -154,7 +154,11 @@ public:
     //! The geometry of the sub control volume face
     Geometry geometry() const
     {
+#if DUNE_VERSION_NEWER(DUNE_COMMON,2,6)
         return Geometry(Dune::GeometryTypes::cube(Geometry::mydimension), corners_);
+#else
+        return Geometry(Dune::GeometryType(Dune::GeometryType::cube, Geometry::mydimension), corners_);
+#endif
     }
 
 private: