Add missing include file.

git-svn-id: https://svn.dealii.org/trunk@26736 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/multigrid/mg_transfer_component.h b/deal.II/include/deal.II/multigrid/mg_transfer_component.h
index 73b7a98d40a9c44fb0e8b5f2f6b4473e5b04552e..1ce0c8e96abd362398c847de3e8ef271053bf8b6 100644 (file)
--- a/deal.II/include/deal.II/multigrid/mg_transfer_component.h
+++ b/deal.II/include/deal.II/multigrid/mg_transfer_component.h
@@ -21,6 +21,7 @@
 #include <deal.II/lac/vector_memory.h>
 
 #include <deal.II/multigrid/mg_base.h>
+#include <deal.II/fe/component_mask.h>
 #include <deal.II/base/mg_level_object.h>