[gtk+] Correct /FilterModel/empty/vroot-show-nodes test case

[Kristian Rietveld <kristian src gnome org>]

commit 2cca680c66e00c356dcfdf708b73ec0fd2a5351d
Author: Kristian Rietveld <kris gtk org>
Date:   Tue Sep 1 16:15:08 2009 +0200

    Correct /FilterModel/empty/vroot-show-nodes test case

 gtk/tests/filtermodel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/tests/filtermodel.c b/gtk/tests/filtermodel.c
index 0f9be75..ae3e78f 100644
--- a/gtk/tests/filtermodel.c
+++ b/gtk/tests/filtermodel.c
@@ -628,7 +628,7 @@ empty_vroot_show_nodes (FilterTest    *fixture,
 
   set_path_visibility (fixture, "2:2:2", TRUE);
   check_filter_model_with_root (fixture, path);
-  check_level_length (fixture->filter, "0", 0);
+  check_level_length (fixture->filter, NULL, 0);
 
   set_path_visibility (fixture, "2:2", TRUE);
   check_filter_model_with_root (fixture, path);