[gnome-builder] beautifier: add missing free func

[Christian Hergert <chergert src gnome org>]

commit dd1212d5fce8c6d98165124ba9a42bc2fb8a9dcb
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 24 14:17:54 2018 -0700

    beautifier: add missing free func

 src/plugins/beautifier/gb-beautifier-config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/plugins/beautifier/gb-beautifier-config.c b/src/plugins/beautifier/gb-beautifier-config.c
index e67c37e3f..8d7e21f28 100644
--- a/src/plugins/beautifier/gb-beautifier-config.c
+++ b/src/plugins/beautifier/gb-beautifier-config.c
@@ -680,7 +680,7 @@ get_entries_worker (IdeTask      *task,
   result->entries = g_steal_pointer (&entries);
   result->has_default = has_default;
 
-  ide_task_return_pointer (task, result, NULL);
+  ide_task_return_pointer (task, result, gb_beautifier_entries_result_free);
 }
 
 void