fix warning

git-svn-id: https://svn.dealii.org/trunk@28601 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-33/step-33.cc b/deal.II/examples/step-33/step-33.cc
index 77199f884b12b95241ce7375272948d24bea0546..b02b53ae677755444d2557b8a896db9acd0bc6c4 100644 (file)
--- a/deal.II/examples/step-33/step-33.cc
+++ b/deal.II/examples/step-33/step-33.cc
@@ -1601,7 +1601,7 @@ namespace Step33
 
     // After all this assembling, notify the Trilinos matrix object that the
     // matrix is done:
-    system_matrix.compress();
+    system_matrix.compress(VectorOperation::add);
   }