[epiphany/gnome-40] filters-manager: fix leak of sidecar task

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 77b8ece93ec920f953950ad0d7abbe2a969a314e
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Tue May 4 14:24:08 2021 -0500

    filters-manager: fix leak of sidecar task
    
    Part-of: <https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/958>
    
    
    (cherry picked from commit 77a128cda3abfebf5b998dfbbd5e4bc584f1246c)

 embed/ephy-filters-manager.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/embed/ephy-filters-manager.c b/embed/ephy-filters-manager.c
index 0ca319e6f..14bd549e7 100644
--- a/embed/ephy-filters-manager.c
+++ b/embed/ephy-filters-manager.c
@@ -230,6 +230,7 @@ sidecar_bytes_loaded_cb (GFile        *file,
   } else {
     g_task_return_error (task, error);
   }
+  g_object_unref (task);
 }
 
 static void