Make constructor of p:d:t explicit

diff --git a/include/deal.II/distributed/tria.h b/include/deal.II/distributed/tria.h
index 3737ca094aa1c0cf1a19aff3cd569d9959e9bb4f..f4d8c429fddd6205cbfc3c394484ba0aae835fdd 100644 (file)
--- a/include/deal.II/distributed/tria.h
+++ b/include/deal.II/distributed/tria.h
@@ -363,7 +363,7 @@ namespace parallel
        * mesh independent of the number of processors into which the
        * triangulation is partitioned.
        */
-      Triangulation(
+      explicit Triangulation(
         MPI_Comm mpi_communicator,
         const typename dealii::Triangulation<dim, spacedim>::MeshSmoothing
                        smooth_grid = (dealii::Triangulation<dim, spacedim>::none),