[gtk+/open-with-dialog] Add some window border to test open with

[Cosimo Cecchi <cosimoc src gnome org>]

commit 87873bdd569ecb16e6052037b1fd890747ca6613
Author: William Jon McCann <jmccann redhat com>
Date:   Thu Nov 18 17:32:40 2010 -0500

    Add some window border to test open with

 tests/testopenwith.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tests/testopenwith.c b/tests/testopenwith.c
index bd20f57..059eabe 100644
--- a/tests/testopenwith.c
+++ b/tests/testopenwith.c
@@ -146,6 +146,7 @@ main (int argc,
   gtk_init (&argc, &argv);
 
   toplevel = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  gtk_container_set_border_width (GTK_CONTAINER (toplevel), 12);
   grid = gtk_grid_new ();
 
   w = gtk_label_new ("File:");