Allow compilation also on the hp branch.

git-svn-id: https://svn.dealii.org/trunk@9134 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-16/step-16.cc b/deal.II/examples/step-16/step-16.cc
index 12f76ff915cf1f0f1cccdb83023d21d54a48bfb6..9a359625c8125990d93b28a7523433b7920b7bcf 100644 (file)
--- a/deal.II/examples/step-16/step-16.cc
+++ b/deal.II/examples/step-16/step-16.cc
@@ -139,7 +139,8 @@ void LaplaceProblem<dim>::setup_system ()
   sparsity_pattern.reinit (mg_dof_handler.n_dofs(),
                           mg_dof_handler.n_dofs(),
                           mg_dof_handler.max_couplings_between_dofs());
-  DoFTools::make_sparsity_pattern (mg_dof_handler, sparsity_pattern);
+  DoFTools::make_sparsity_pattern (static_cast<const DoFHandler<dim>&>(mg_dof_handler),
+                                   sparsity_pattern);
   sparsity_pattern.compress();
 
   system_matrix.reinit (sparsity_pattern);