[mutter] monitor-config: add missing chain-up for finalize

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 38d61f30dc93cf30101a6c6b16f8ee95087b15a9
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Jul 28 19:57:42 2016 +0300

    monitor-config: add missing chain-up for finalize

 src/backends/meta-monitor-config.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/backends/meta-monitor-config.c b/src/backends/meta-monitor-config.c
index 727b033..fde615d 100644
--- a/src/backends/meta-monitor-config.c
+++ b/src/backends/meta-monitor-config.c
@@ -273,6 +273,8 @@ meta_monitor_config_finalize (GObject *object)
   MetaMonitorConfig *self = META_MONITOR_CONFIG (object);
 
   g_hash_table_destroy (self->configs);
+
+  G_OBJECT_CLASS (meta_monitor_config_parent_class)->finalize (object);
 }
 
 static void