add prerequesite on gobjects.

[~andy/gtk] / gtk / gtktreemodel.c

diff --git a/gtk/gtktreemodel.c b/gtk/gtktreemodel.c
index beab330d63c3665afff4dd368e751461c27eedd3..3bfc45b44a121d6d71d6683039b6724c7c2da171 100644 (file)
--- a/gtk/gtktreemodel.c
+++ b/gtk/gtktreemodel.c
@@ -58,6 +58,7 @@ gtk_tree_model_get_type (void)
       };
 
       tree_model_type = g_type_register_static (G_TYPE_INTERFACE, "GtkTreeModel", &tree_model_info, 0);
+      g_type_interface_add_prerequisite (tree_model_type, G_TYPE_OBJECT);
     }
 
   return tree_model_type;