fixed compiler warning in dof_tools_constraints

diff --git a/source/dofs/dof_tools_constraints.cc b/source/dofs/dof_tools_constraints.cc
index 54e815b16ac21e55f85a56d4c7b6ec1c21a93294..a07a13984de9c41f741ceb8053330aa1e2f4f2ab 100644 (file)
--- a/source/dofs/dof_tools_constraints.cc
+++ b/source/dofs/dof_tools_constraints.cc
@@ -1034,7 +1034,7 @@ namespace DoFTools
 
       template <int dim, int spacedim>
       const dealii::hp::FECollection<dim,spacedim> *
-      get_fe_collection (const dealii::DoFHandler<dim,spacedim> &dof_handler)
+      get_fe_collection (const dealii::DoFHandler<dim,spacedim> &)
       {
         AssertThrow(false, ExcInternalError());
         return NULL;