remove warning

git-svn-id: https://svn.dealii.org/trunk@29866 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/mpi/mesh_worker_matrix_01.cc b/tests/mpi/mesh_worker_matrix_01.cc
index a169a8dd83f2ccfc1b557c583db20d317272b202..e1c69284cdc81d2d53a32440cf8691427a452f12 100644 (file)
--- a/tests/mpi/mesh_worker_matrix_01.cc
+++ b/tests/mpi/mesh_worker_matrix_01.cc
@@ -157,7 +157,7 @@ test_simple(DoFHandler<dim>& dofs, bool faces)
      std_cxx1x::bind (&Local<dim>::face, local, std_cxx1x::_1, std_cxx1x::_2, std_cxx1x::_3, std_cxx1x::_4),
      assembler, true);
 
-  matrix.compress();
+  matrix.compress(VectorOperation::add);
   matrix.print(deallog.get_file_stream());
 }