[epiphany] filters-manager: fix filter clearing

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c83f1cb2f50151cdb3e2a647b351bb36a45edf74
Author: Jan-Michael Brummer <jan brummer tabos org>
Date:   Sat Dec 7 12:32:42 2019 +0100

    filters-manager: fix filter clearing

 embed/ephy-filters-manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/embed/ephy-filters-manager.c b/embed/ephy-filters-manager.c
index f109caf0d..fa9402b2d 100644
--- a/embed/ephy-filters-manager.c
+++ b/embed/ephy-filters-manager.c
@@ -481,7 +481,7 @@ filter_saved_cb (WebKitUserContentFilterStore *store,
   g_assert (self);
   g_assert (self->manager->store == store);
 
-  g_clear_object (&self->manager->wk_filter);
+  g_clear_pointer (&self->manager->wk_filter, webkit_user_content_filter_unref);
   self->manager->wk_filter = webkit_user_content_filter_store_save_finish (self->manager->store,
                                                                            result,
                                                                            &error);