[gnome-control-center] mouse: Don't show touchpad disable button when there isn't mouse

[Bastien Nocera <hadess src gnome org>]

commit 5b2818c482ad7aa44057743b5ab3343bd777e622
Author: Ondrej Holy <oholy redhat com>
Date:   Thu Oct 11 10:32:42 2012 +0200

    mouse: Don't show touchpad disable button when there isn't mouse
    
    https://bugzilla.gnome.org/show_bug.cgi?id=685583

 panels/mouse/gnome-mouse-properties.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/panels/mouse/gnome-mouse-properties.c b/panels/mouse/gnome-mouse-properties.c
index 630af3c..66f3d11 100644
--- a/panels/mouse/gnome-mouse-properties.c
+++ b/panels/mouse/gnome-mouse-properties.c
@@ -185,6 +185,7 @@ setup_dialog (GtkBuilder *dialog)
 	/* Trackpad page */
 	touchpad_present = touchpad_is_present ();
 	gtk_widget_set_visible (WID ("touchpad_vbox"), touchpad_present);
+	gtk_widget_set_visible (WID ("touchpad_enabled_switch"), mouse_present);
 
 	g_settings_bind (touchpad_settings, "touchpad-enabled",
 			 WID ("touchpad_enabled_switch"), "active",
@@ -262,6 +263,7 @@ device_changed (GdkDeviceManager *device_manager,
 
 	present = mouse_is_present ();
 	gtk_widget_set_visible (WID ("mouse_vbox"), present);
+	gtk_widget_set_visible (WID ("touchpad_enabled_switch"), present);
 }
 
 GtkWidget *