Merge pull request #1564 from dr-robertk/PR/fix-compile-dune-master

[bugfix][ISTLSolverEbos] make compile with current dune master.

opm/autodiff/ISTLSolverEbos.hpp

@@ -228,7 +228,9 @@ static inline void invertMatrix (FieldMatrix<K,4,4> &matrix)
 template <typename K, int n>
 static inline void invertMatrix (FieldMatrix<K,n,n> &matrix)
 {
+#if ! DUNE_VERSION_NEWER( DUNE_COMMON, 2, 7 )
     Dune::FMatrixPrecision<K>::set_singular_limit(1.e-20);
+#endif
     matrix.invert();
 }