[gnome-control-center] Fix PangoAttrList leak introduced in 63243d886aa5ee09d3eb8efb4306640cb31d1869

[Robert Ancell <rancell src gnome org>]

commit 0d9bf5fa064594da661246abd36686655ede473e
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Jan 8 15:58:58 2021 +1300

    Fix PangoAttrList leak introduced in 63243d886aa5ee09d3eb8efb4306640cb31d1869

 panels/common/cc-time-entry.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/panels/common/cc-time-entry.c b/panels/common/cc-time-entry.c
index d989935b9..8cd21303a 100644
--- a/panels/common/cc-time-entry.c
+++ b/panels/common/cc-time-entry.c
@@ -413,6 +413,8 @@ cc_time_entry_constructed (GObject *object)
   pango_attr_list_insert (list, attribute);
 
   gtk_entry_set_attributes (GTK_ENTRY (object), list);
+
+  pango_attr_list_unref (list);
 }
 
 static void