[gnome-flashback] libsound-applet: don't use deprecated gdk_app_launch_context_new

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b4558080f43dabfa2a18f058fa166878db1ea43b
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Aug 29 22:04:37 2014 +0300

    libsound-applet: don't use deprecated gdk_app_launch_context_new

 .../libsound-applet/gvc-stream-status-icon.c       |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libsound-applet/gvc-stream-status-icon.c 
b/gnome-flashback/libsound-applet/gvc-stream-status-icon.c
index aa15e9d..f70f8ed 100644
--- a/gnome-flashback/libsound-applet/gvc-stream-status-icon.c
+++ b/gnome-flashback/libsound-applet/gvc-stream-status-icon.c
@@ -214,11 +214,13 @@ on_menu_activate_open_volume_control (GtkMenuItem *item,
                                       GvcStreamStatusIcon   *icon)
 {
         GAppInfo *app;
+        GdkDisplay *display;
         GdkAppLaunchContext *context;
         GError *error;
 
         error = NULL;
-        context = gdk_app_launch_context_new ();
+        display = gdk_display_get_default ();
+        context = gdk_display_get_app_launch_context (display);
         app = g_app_info_create_from_commandline ("gnome-control-center sound", "Sound preferences", 0, 
&error);
         if (app)
                 g_app_info_launch (app, NULL, G_APP_LAUNCH_CONTEXT (context), &error);