Replace default function parameter in find_active_cell_around_point

diff --git a/include/deal.II/grid/grid_tools.h b/include/deal.II/grid/grid_tools.h
index 09f39d5293c0a499d7929d129ca284bc56989bec..a9a1addc77490d0f996c96a99599392393a9299f 100644 (file)
--- a/include/deal.II/grid/grid_tools.h
+++ b/include/deal.II/grid/grid_tools.h
@@ -1154,7 +1154,7 @@ namespace GridTools
       typename MeshType<dim, spacedim>::active_cell_iterator(),
     const std::vector<bool> &                              marked_vertices = {},
     const RTree<std::pair<Point<spacedim>, unsigned int>> &used_vertices_rtree =
-      {});
+      RTree<std::pair<Point<spacedim>, unsigned int>>{});
 
   /**
    * A version of the previous function where we use that mapping on a given