[mutter] idle-monitor: Fix a GSList leak

[Rui Matos <rtcm src gnome org>]

commit dc5bc3fea8e27ecb192567f5c00d30293bfb9ec8
Author: Rui Matos <tiagomatos gmail com>
Date:   Thu Nov 21 11:56:37 2013 +0100

    idle-monitor: Fix a GSList leak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=712833

 src/core/meta-idle-monitor.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/core/meta-idle-monitor.c b/src/core/meta-idle-monitor.c
index a516d99..ca6b4ba 100644
--- a/src/core/meta-idle-monitor.c
+++ b/src/core/meta-idle-monitor.c
@@ -842,6 +842,8 @@ on_bus_acquired (GDBusConnection *connection,
   for (iter = devices; iter; iter = iter->next)
     on_device_added (device_manager, iter->data, manager);
 
+  g_slist_free (devices);
+
   g_signal_connect_object (device_manager, "device-added",
                            G_CALLBACK (on_device_added), manager, 0);
   g_signal_connect_object (device_manager, "device-removed",