adding missing include files

diff --git a/include/deal.II/multigrid/mg_transfer_internal.h b/include/deal.II/multigrid/mg_transfer_internal.h
index f51443b0c5231a6b6fd1e3a12944d93f0b7a5fc6..d6902e3fc13c26a5bd445dc90a2a1e861c3f79b5 100644 (file)
--- a/include/deal.II/multigrid/mg_transfer_internal.h
+++ b/include/deal.II/multigrid/mg_transfer_internal.h
@@ -18,6 +18,8 @@
 #define dealii__mg_transfer_internal_h
 
 #include <deal.II/dofs/dof_tools.h>
+#include <deal.II/distributed/tria.h>
+#include <deal.II/multigrid/mg_constrained_dofs.h>
 
 
 DEAL_II_NAMESPACE_OPEN