Make constructor of DoFHandler explicit

diff --git a/include/deal.II/dofs/dof_handler.h b/include/deal.II/dofs/dof_handler.h
index 1043a8ea05a061c8a4c7261e7f77073dda28cfa0..256ba91808aa4f9e09c69777bc72de329077a496 100644 (file)
--- a/include/deal.II/dofs/dof_handler.h
+++ b/include/deal.II/dofs/dof_handler.h
@@ -549,7 +549,7 @@ public:
   /**
    * Constructor. Take @p tria as the triangulation to work on.
    */
-  DoFHandler(const Triangulation<dim, spacedim> &tria);
+  explicit DoFHandler(const Triangulation<dim, spacedim> &tria);
 
   /**
    * Copy constructor. DoFHandler objects are large and expensive.