[glib] appinfo: fix annotations for g_app_info_launch and g_app_info_launch_uris

[Cosimo Cecchi <cosimoc src gnome org>]

commit 9bca5bb49f0fc0585335abf476b7082e654878b6
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Aug 29 14:46:11 2012 -0400

    appinfo: fix annotations for g_app_info_launch and g_app_info_launch_uris
    
    The files/uris parameters for these functions can be NULL, so we need an
    allow-none annotation here.

 gio/gappinfo.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/gappinfo.c b/gio/gappinfo.c
index b14954c..8688d2e 100644
--- a/gio/gappinfo.c
+++ b/gio/gappinfo.c
@@ -515,7 +515,7 @@ g_app_info_get_icon (GAppInfo *appinfo)
 /**
  * g_app_info_launch:
  * @appinfo: a #GAppInfo
- * @files: (element-type GFile): a #GList of #GFile objects
+ * @files: (allow-none) (element-type GFile): a #GList of #GFile objects
  * @launch_context: (allow-none): a #GAppLaunchContext or %NULL
  * @error: a #GError
  * 
@@ -611,7 +611,7 @@ g_app_info_supports_files (GAppInfo *appinfo)
 /**
  * g_app_info_launch_uris:
  * @appinfo: a #GAppInfo
- * @uris: (element-type utf8): a #GList containing URIs to launch.
+ * @uris: (allow-none) (element-type utf8): a #GList containing URIs to launch.
  * @launch_context: (allow-none): a #GAppLaunchContext or %NULL
  * @error: a #GError
  *