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

[Benjamin Berg <bberg src gnome org>]

commit cc9ab548214bcb12e2c2f8fe9fe1fe3c4f503d5d
Author: Benjamin Berg <bberg redhat com>
Date:   Sun Jan 20 21:43:04 2019 +0100

    display: Chain up CcDisplayArrangement finalize handler
    
    (cherry picked from commit e520ab8952684e18a850e035fd2b18e3e04f8437)

 panels/display/cc-display-arrangement.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/panels/display/cc-display-arrangement.c b/panels/display/cc-display-arrangement.c
index 630c72e8d..dc30c7205 100644
--- a/panels/display/cc-display-arrangement.c
+++ b/panels/display/cc-display-arrangement.c
@@ -857,6 +857,8 @@ cc_display_arrangement_finalize (GObject *object)
   CcDisplayArrangement *self = CC_DISPLAY_ARRANGEMENT (object);
 
   g_clear_object (&self->config);
+
+  G_OBJECT_CLASS (cc_display_arrangement_parent_class)->finalize (object);
 }
 
 static void