grid: add missing transfer annotation

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

diff --git a/gtk/gtkgrid.c b/gtk/gtkgrid.c
index 03a0976e66875caddb331786cb6177f47364b867..f8a281e7110802f76d5b5182012321981a75635d 100644 (file)
--- 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
  */