[gtk+/gtk-3-4] grid: add missing transfer annotation

[Martin Pitt <martinpitt src gnome org>]

commit 4b2e929774721a5cc5e462746bb18763cd4185cb
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed May 16 18:00:04 2012 +0200

    grid: add missing transfer annotation
    
    gtk_grid_get_child_at() is missing a transfer annotation for the returned
    widget, making it not introspectable.

 gtk/gtkgrid.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkgrid.c b/gtk/gtkgrid.c
index 03a0976..f8a281e 100644
--- a/gtk/gtkgrid.c
+++ b/gtk/gtkgrid.c
@@ -1594,7 +1594,7 @@ gtk_grid_attach_next_to (GtkGrid         *grid,
  * Gets the child of @grid whose area covers the grid
  * cell whose upper left corner is at @left, @top.
  *
- * Returns: the child at the given position, or %NULL
+ * Returns: (transfer none): the child at the given position, or %NULL
  *
  * Since: 3.2
  */