Fix warning about an unused variable in dof_handler_policy.cc

diff --git a/source/dofs/dof_handler_policy.cc b/source/dofs/dof_handler_policy.cc
index bfe0acc7ee7144318b734fbb3f3357398f537d36..fb7fb4ff66aac10269b971f5e0064c7d1aa3cbd3 100644 (file)
--- a/source/dofs/dof_handler_policy.cc
+++ b/source/dofs/dof_handler_policy.cc
@@ -3577,6 +3577,7 @@ namespace internal
             DistributedTriangulationBase<dim, spacedim> &tria,
           DoFHandlerType &                               dof_handler)
         {
+          (void)tria;
           const auto pack = [&](const auto &cell) {
             // why would somebody request a cell that is not ours?
             Assert(cell->level_subdomain_id() == tria.locally_owned_subdomain(),