use new-style using declaration and add comment.

git-svn-id: https://svn.dealii.org/trunk@24123 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/matrix_block.h b/deal.II/include/deal.II/lac/matrix_block.h
index 40cb34959c5b59c2712b00514d87c1e6fb4f0d77..23c034567d2ddd113585414781189a160fbd3e03 100644 (file)
--- a/deal.II/include/deal.II/lac/matrix_block.h
+++ b/deal.II/include/deal.II/lac/matrix_block.h
@@ -461,10 +461,13 @@ class MatrixBlockVector
                                      */
     MATRIX& matrix(unsigned int i);
 
-    NamedData<std_cxx1x::shared_ptr<value_type> >::subscribe;
-    NamedData<std_cxx1x::shared_ptr<value_type> >::unsubscribe;
-    NamedData<std_cxx1x::shared_ptr<value_type> >::size;
-    NamedData<std_cxx1x::shared_ptr<value_type> >::name;
+                                    /**
+                                     * import functions from private base class
+                                     */
+    using NamedData<std_cxx1x::shared_ptr<value_type> >::subscribe;
+    using NamedData<std_cxx1x::shared_ptr<value_type> >::unsubscribe;
+    using NamedData<std_cxx1x::shared_ptr<value_type> >::size;
+    using NamedData<std_cxx1x::shared_ptr<value_type> >::name;
 };