add missing include file

git-svn-id: https://svn.dealii.org/trunk@13043 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/deal.II/include/dofs/dof_levels.h b/deal.II/deal.II/include/dofs/dof_levels.h
index 24cb1ad589c7558e9c44189a7033eb3c39699a1a..51b89f628721acc5324248a9cd3686c2aa7ef1a5 100644 (file)
--- a/deal.II/deal.II/include/dofs/dof_levels.h
+++ b/deal.II/deal.II/include/dofs/dof_levels.h
@@ -15,6 +15,7 @@
 
 
 #include <base/config.h>
+#include <base/exceptions.h>
 #include <vector>
 
 template <int> class DoFHandler;