Add include to mg_transfer_global_coarsening.h

diff --git a/include/deal.II/multigrid/mg_transfer_global_coarsening.h b/include/deal.II/multigrid/mg_transfer_global_coarsening.h
index 013083153a2112e0d521d9f39e0cc1e6485a40f1..11ec8da08b00ec14472ade9b6166eefd9c6f2e40 100644 (file)
--- a/include/deal.II/multigrid/mg_transfer_global_coarsening.h
+++ b/include/deal.II/multigrid/mg_transfer_global_coarsening.h
@@ -17,6 +17,7 @@
 #define dealii_mg_transfer_global_coarsening_h
 
 #include <deal.II/base/mg_level_object.h>
+#include <deal.II/base/vectorization.h>
 
 #include <deal.II/dofs/dof_handler.h>