Make the MatrixType public in the MixedGFEAssembler

The GeodesicFEAssemblerWrapper needs to access the MatrixType.

dune/gfe/mixedgfeassembler.hh

@@ -31,11 +31,11 @@ class MixedGFEAssembler {
     typedef Dune::BCRSMatrix<Dune::FieldMatrix<double, blocksize1, blocksize0> > MatrixBlock10;
     typedef Dune::BCRSMatrix<Dune::FieldMatrix<double, blocksize1, blocksize1> > MatrixBlock11;
 
-    typedef Dune::MultiTypeBlockMatrix<Dune::MultiTypeBlockVector<MatrixBlock00,MatrixBlock01>,
-                                       Dune::MultiTypeBlockVector<MatrixBlock10,MatrixBlock11> > MatrixType;
 
 protected:
 public:
+    typedef Dune::MultiTypeBlockMatrix<Dune::MultiTypeBlockVector<MatrixBlock00,MatrixBlock01>,
+                                       Dune::MultiTypeBlockVector<MatrixBlock10,MatrixBlock11> > MatrixType;
     const Basis basis_;
 
     MixedLocalGeodesicFEStiffness<Basis,