[glib] gsettings: add annotations for _new_full()

[Ryan Lortie <ryanl src gnome org>]

commit f47264ef5c4cfdb1abb903b4d8409352c65f98b9
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Nov 16 14:51:45 2011 -0500

    gsettings: add annotations for _new_full()
    
    The path and backend arguments to g_settings_new_full are optional.

 gio/gsettings.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/gsettings.c b/gio/gsettings.c
index 0e6517e..ee6f1c9 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -943,8 +943,8 @@ g_settings_new_with_backend_and_path (const gchar      *schema_id,
 /**
  * g_settings_new_full:
  * @schema: a #GSettingsSchema
- * @backend: a #GSettingsBackend
- * @path: the path to use
+ * @backend: (allow-none): a #GSettingsBackend
+ * @path: (allow-none): the path to use
  * @returns: a new #GSettings object
  *
  * Creates a new #GSettings object with a given schema, backend and