tree model sort: Fix initial default sort func

gtk_tree_sortable_has_default_sort_func should return
FALSE initially.

diff --git a/gtk/gtktreemodelsort.c b/gtk/gtktreemodelsort.c
index 336f796fa04a019c3b7bf4b531e47891bd446bb3..761e01fa555edb212d913a19791c64ca50c6e71e 100644 (file)
--- a/gtk/gtktreemodelsort.c
+++ b/gtk/gtktreemodelsort.c
@@ -1768,7 +1768,7 @@ gtk_tree_model_sort_has_default_sort_func (GtkTreeSortable *sortable)
 {
   GtkTreeModelSort *tree_model_sort = (GtkTreeModelSort *)sortable;
 
-  return (tree_model_sort->priv->default_sort_func != NULL);
+  return (tree_model_sort->priv->default_sort_func != NO_SORT_FUNC);
 }
 
 /* DragSource interface */