[vala] gio-2.0: Fix the g_app_info_launch binding

[Jürg Billeter <juergbi src gnome org>]

commit 1f28eb43eeb338b2ba82d9b0db8b4a674d9764c9
Author: Mark Lee <marklee src gnome org>
Date:   Fri May 22 12:00:52 2009 -0700

    gio-2.0: Fix the g_app_info_launch binding
    
    g_app_info_launch.launch_context is nullable, according to the docs.
    Fixes bug 583586.
---
 vapi/gio-2.0.vapi                      |    2 +-
 vapi/packages/gio-2.0/gio-2.0.metadata |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/vapi/gio-2.0.vapi b/vapi/gio-2.0.vapi
index 1b9cb92..ffdcf57 100644
--- a/vapi/gio-2.0.vapi
+++ b/vapi/gio-2.0.vapi
@@ -648,7 +648,7 @@ namespace GLib {
 		public abstract unowned GLib.Icon get_icon ();
 		public abstract unowned string get_id ();
 		public abstract unowned string get_name ();
-		public abstract bool launch (GLib.List? files, GLib.AppLaunchContext launch_context) throws GLib.Error;
+		public abstract bool launch (GLib.List? files, GLib.AppLaunchContext? launch_context) throws GLib.Error;
 		public static bool launch_default_for_uri (string uri, GLib.AppLaunchContext? launch_context) throws GLib.Error;
 		public abstract bool launch_uris (GLib.List? uris, GLib.AppLaunchContext launch_context) throws GLib.Error;
 		public abstract bool remove_supports_type (string content_type) throws GLib.Error;
diff --git a/vapi/packages/gio-2.0/gio-2.0.metadata b/vapi/packages/gio-2.0/gio-2.0.metadata
index 2ecc8ae..5f677d7 100644
--- a/vapi/packages/gio-2.0/gio-2.0.metadata
+++ b/vapi/packages/gio-2.0/gio-2.0.metadata
@@ -1,5 +1,6 @@
 GLib cprefix="G" lower_case_cprefix="g_" cheader_filename="gio/gio.h"
 g_app_info_launch.envp is_array="1"
+g_app_info_launch.launch_context nullable="1"
 g_app_info_launch_default_for_uri.launch_context nullable="1"
 g_app_info_launch_uris.envp is_array="1"
 g_content_type_guess.data_size hidden="1"