[mutter] backend: Create the core device monitor

[Jasper St. Pierre <jstpierre src gnome org>]

commit 18a82688e2ce85c4330710c5a40db3d500033817
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Sep 4 13:15:03 2014 -0700

    backend: Create the core device monitor
    
    Otherwise, nothing will ever create it.

 src/backends/meta-backend.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index 1b179cd..ba5580b 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -174,6 +174,9 @@ meta_backend_real_post_init (MetaBackend *backend)
     ClutterDeviceManager *manager;
     GSList *devices, *l;
 
+    /* Create the core device monitor. */
+    create_device_monitor (manager, 0);
+
     manager = clutter_device_manager_get_default ();
     g_signal_connect_object (manager, "device-added",
                              G_CALLBACK (on_device_added), backend, 0);