Extend friendship more so that we can actually declare Accessor::Reference a friend...

git-svn-id: https://svn.dealii.org/trunk@32788 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/sparse_matrix.h b/deal.II/include/deal.II/lac/sparse_matrix.h
index 1b3b9e1fc9177d193e3ff1ffd71ea7f1f5df1a73..f0cf4bf438142b59cb418094825baaa4c03cc944 100644 (file)
--- a/deal.II/include/deal.II/lac/sparse_matrix.h
+++ b/deal.II/include/deal.II/lac/sparse_matrix.h
@@ -301,9 +301,10 @@ namespace SparseMatrixIterators
     friend class Iterator;
 
     /**
-     * Make the inner reference class a friend if the compiler has a bug and
-     * requires this.
+     * Make the SparseMatrix class a friend so that it, in turn, can
+     * declare the Reference class a friend.
      */
+    template <typename> friend class dealii::SparseMatrix;
   };