PreconditionMG has Subscriptor

git-svn-id: https://svn.dealii.org/trunk@3523 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/deal.II/include/multigrid/mg_base.h b/deal.II/deal.II/include/multigrid/mg_base.h
index 3eeabaa848afd0b75cbbe5b42cc97123751a7d6f..c3b4f88098da136b6bf84ff7c11ee3f436a6650a 100644 (file)
--- a/deal.II/deal.II/include/multigrid/mg_base.h
+++ b/deal.II/deal.II/include/multigrid/mg_base.h
@@ -452,7 +452,7 @@ class MGBase : public Subscriptor
  * @author Guido Kanschat, 1999
  */
 template<class MG, class VECTOR = Vector<double> >
-class PreconditionMG
+class PreconditionMG : public Subscriptor
 {
   public:
                                     /**