[tepl] AmtkFactory: add missing (nullable) GI annotation

[Sébastien Wilmet <swilmet src gnome org>]

commit 94b04a3590d907a448a560ad901c4a7fdadcdac8
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Jul 31 11:11:16 2017 +0200

    AmtkFactory: add missing (nullable) GI annotation

 amtk/amtk-factory.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/amtk/amtk-factory.c b/amtk/amtk-factory.c
index f7646b4..709ad3a 100644
--- a/amtk/amtk-factory.c
+++ b/amtk/amtk-factory.c
@@ -184,7 +184,7 @@ amtk_factory_init (AmtkFactory *factory)
  * amtk_factory_get_application:
  * @factory: an #AmtkFactory.
  *
- * Returns: (transfer none): the #AmtkFactory:application.
+ * Returns: (transfer none) (nullable): the #AmtkFactory:application.
  * Since: 3.0
  */
 GtkApplication *