[gnome-control-center/gnome-3-30] display: Chain up CcDisplayConfig finalize handler

[Benjamin Berg <bberg src gnome org>]

commit b5b70c9e0ec3956f5b6e98a6cf2ef991ebed727a
Author: Benjamin Berg <bberg redhat com>
Date:   Sun Jan 20 21:43:31 2019 +0100

    display: Chain up CcDisplayConfig finalize handler
    
    (cherry picked from commit 5b53f026c85ef8c656b17ef313eb0398c5e68776)

 panels/display/cc-display-config.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/panels/display/cc-display-config.c b/panels/display/cc-display-config.c
index 626f3f5f4..6670edb00 100644
--- a/panels/display/cc-display-config.c
+++ b/panels/display/cc-display-config.c
@@ -452,6 +452,8 @@ cc_display_config_finalize (GObject *object)
   CcDisplayConfigPrivate *priv = CC_DISPLAY_CONFIG_GET_PRIVATE (self);
 
   g_list_free (priv->ui_sorted_monitors);
+
+  G_OBJECT_CLASS (cc_display_config_parent_class)->finalize (object);
 }
 
 static void