[gnome-tweak-tool] Add Lock Screen Background

[Alex Rodrigo Muñoz Domínguez <amunoz src gnome org>]

commit a1c0570d41461c37ec276064b016a4718c0c88a5
Author: Alex Muñoz <amunoz src gnome org>
Date:   Sun Jan 12 09:58:17 2014 -0300

    Add Lock Screen Background
    
    https://bugzilla.gnome.org/show_bug.cgi?id=709877

 gtweak/tweaks/tweak_group_desktop.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtweak/tweaks/tweak_group_desktop.py b/gtweak/tweaks/tweak_group_desktop.py
index ead5e52..cd49b4b 100644
--- a/gtweak/tweaks/tweak_group_desktop.py
+++ b/gtweak/tweaks/tweak_group_desktop.py
@@ -32,6 +32,9 @@ TWEAK_GROUPS = [
         Title(_("Background"), "", uid="title-theme"),
         GSettingsComboEnumTweak(_("Mode"),"org.gnome.desktop.background", "picture-options"),
         GSettingsFileChooserButtonTweak(_("Background Location"),"org.gnome.desktop.background", 
"picture-uri", local_only=True, mimetypes=["application/xml","image/png","image/jpeg"]),
+        Title(_("Lock Screen"), "", uid="title-theme"),
+        GSettingsComboEnumTweak(_("Mode"),"org.gnome.desktop.screensaver", "picture-options"),
+        GSettingsFileChooserButtonTweak(_("Lock Screen Location"),"org.gnome.desktop.screensaver", 
"picture-uri", local_only=True, mimetypes=["application/xml","image/png","image/jpeg"]),
         #Title(_("Files"), ""),
         #GSettingsSwitchTweak(_("Use location entry"), "org.gnome.nautilus.preferences", 
"always-use-location-entry",schema_filename="org.gnome.nautilus.gschema.xml"),