Fix warning in MatrixFree

diff --git a/include/deal.II/matrix_free/matrix_free.h b/include/deal.II/matrix_free/matrix_free.h
index cbcdc6fbb44c93bfaad1295534fc9077a77cbd93..06bd6dccd0df9bf74a2dda24fa10458eb99831d2 100644 (file)
--- a/include/deal.II/matrix_free/matrix_free.h
+++ b/include/deal.II/matrix_free/matrix_free.h
@@ -850,7 +850,13 @@ private:
    */
   struct DoFHandlers
   {
-    DoFHandlers () : n_dof_handlers (0), level (numbers::invalid_unsigned_int) {};
+    DoFHandlers ()
+      :
+      active_dof_handler(usual),
+      n_dof_handlers (0),
+      level (numbers::invalid_unsigned_int)
+    {}
+
     std::vector<SmartPointer<const DoFHandler<dim> > >   dof_handler;
     std::vector<SmartPointer<const hp::DoFHandler<dim> > > hp_dof_handler;
     enum ActiveDoFHandler { usual, hp } active_dof_handler;