[gtk+] GtkTreeModel: Documentation fix

[Matthias Clasen <matthiasc src gnome org>]

commit aa0811d320c0da992a37da22edd3c7966e9cb152
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Jan 21 11:28:19 2015 +0100

    GtkTreeModel: Documentation fix
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743286

 gtk/gtktreemodel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktreemodel.c b/gtk/gtktreemodel.c
index 8bbf55d..258363f 100644
--- a/gtk/gtktreemodel.c
+++ b/gtk/gtktreemodel.c
@@ -2400,7 +2400,7 @@ gtk_tree_row_reference_new_proxy (GObject      *proxy,
  * Returns a path that the row reference currently points to,
  * or %NULL if the path pointed to is no longer valid.
  *
- * Returns: a current path, or %NULL
+ * Returns: (nullable) (transfer full): a current path, or %NULL
  */
 GtkTreePath *
 gtk_tree_row_reference_get_path (GtkTreeRowReference *reference)