[gtk+/popovers] popover: fix g-i warning

[Carlos Garnacho <carlosg src gnome org>]

commit 7cf6174709126bebeee6c9b0d40b37334f035d23
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Jan 22 16:27:44 2014 +0100

    popover: fix g-i warning

 gtk/gtkpopover.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index 59d9fe5..2eca8a7 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -1369,7 +1369,7 @@ gtk_popover_set_relative_to (GtkPopover *popover,
  *
  * Returns the wigdet @popover is currently attached to
  *
- * Returns: a #GtkWidget
+ * Returns: (transfer none): a #GtkWidget
  *
  * Since: 3.12
  **/