[gimp] Show expanders in treeviews showing actual trees

[Michael Natterer <mitch src gnome org>]

commit 8a578354fe761baf3699920437e78f54f257c026
Author: Michael Natterer <mitch gimp org>
Date:   Mon Aug 3 23:46:19 2009 +0200

    Show expanders in treeviews showing actual trees

 app/widgets/gimpcontainertreeview.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/widgets/gimpcontainertreeview.c b/app/widgets/gimpcontainertreeview.c
index 697a8c8..9b39f55 100644
--- a/app/widgets/gimpcontainertreeview.c
+++ b/app/widgets/gimpcontainertreeview.c
@@ -199,7 +199,7 @@ gimp_container_tree_view_constructor (GType                  type,
                                   "enable-search",   FALSE,
                                   "headers-visible", FALSE,
                                   "has-tooltip",     TRUE,
-                                  "show-expanders",  FALSE,
+                                  "show-expanders",  GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->model_is_tree,
                                   NULL);
   g_object_unref (tree);