[gtk+/gtk-3-20] gtk: Annotate GtkFlowBoxCreateWidgetFunc as "transfer full"

[Rico Tzschichholz <ricotz src gnome org>]

commit 2b71170b126270d9c375048d88df2b72de1d16b8
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Apr 12 13:30:04 2016 +0200

    gtk: Annotate GtkFlowBoxCreateWidgetFunc as "transfer full"
    
    (cherry picked from commit c8d11085740b8c8d67bab01c99ff16efbcc26fe0)

 gtk/gtkflowbox.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkflowbox.h b/gtk/gtkflowbox.h
index 0b6ad4d..ff2a6be 100644
--- a/gtk/gtkflowbox.h
+++ b/gtk/gtkflowbox.h
@@ -107,7 +107,7 @@ struct _GtkFlowBoxChildClass
  * Called for flow boxes that are bound to a #GListModel with
  * gtk_flow_box_bind_model() for each item that gets added to the model.
  *
- * Returns: a #GtkWidget that represents @item
+ * Returns: (transfer full): a #GtkWidget that represents @item
  *
  * Since: 3.18
  */