[gnome-clocks] Use a recently added pygobject override

[Paolo Borelli <pborelli src gnome org>]

commit 36206e95efe318d3d9904b5004b7d3c101b08cf9
Author: Paolo Borelli <pborelli gnome org>
Date:   Sun Sep 2 12:39:57 2012 +0200

    Use a recently added pygobject override

 gnomeclocks/app.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gnomeclocks/app.py b/gnomeclocks/app.py
index 8a8515f..3189f60 100644
--- a/gnomeclocks/app.py
+++ b/gnomeclocks/app.py
@@ -414,9 +414,9 @@ class ClocksApplication(Gtk.Application):
         menu.append(_("About Clocks"), "win.about")
 
         quit = Gio.MenuItem()
-        quit.set_attribute_value("label", GLib.Variant("s", _("Quit")))
-        quit.set_attribute_value("action", GLib.Variant("s", "app.quit"))
-        quit.set_attribute_value("accel", GLib.Variant("s", "<Primary>q"))
+        quit.set_attribute([("label", "s", _("Quit")),
+                            ("action", "s", "app.quit"),
+                            ("accel", "s", "<Primary>q")])
         menu.append_item(quit)
 
         self.set_app_menu(menu)