[retro-gtk] retro-controller-iterator: Mark controller in next() as (transfer none)

[Adrien Plazas <aplazas src gnome org>]

commit 63d014f7c8e55eeb7391461ba6fdb514f2020e57
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Feb 2 16:05:45 2020 +0500

    retro-controller-iterator: Mark controller in next() as (transfer none)
    
    The lack of this causes Vala to unref the controller afterwards.

 retro-gtk/retro-controller-iterator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/retro-gtk/retro-controller-iterator.c b/retro-gtk/retro-controller-iterator.c
index 89b9156..d20554b 100644
--- a/retro-gtk/retro-controller-iterator.c
+++ b/retro-gtk/retro-controller-iterator.c
@@ -37,7 +37,7 @@ retro_controller_iterator_init (RetroControllerIterator *self)
  * retro_controller_iterator_next:
  * @self: a #RetroControllerIterator
  * @port: (out) (optional): return location for the port
- * @controller: (out) (optional) (nullable): return location for the controller
+ * @controller: (out) (optional) (transfer none): return location for the controller
  *
  * Fetch the next #RetroController and the port number it is plugged into.
  *