sharedtria: fix compilation

git-svn-id: https://svn.dealii.org/branches/branch_sharedtria@32935 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/distributed/tria.h b/deal.II/include/deal.II/distributed/tria.h
index 22f070c7d2cd3571f3d1da937e17394f772563f7..4f7ed994fd0b1c5d71cf0aa965340812538b458c 100644 (file)
--- a/deal.II/include/deal.II/distributed/tria.h
+++ b/deal.II/include/deal.II/distributed/tria.h
@@ -157,6 +157,12 @@ namespace GridTools
 
 namespace parallel
 {
+
+  // forward declaration of the base class
+  template <int dim, int spacedim>
+  class Triangulation;
+  
+  
   namespace distributed
   {