[gnome-text-editor] build: fix warning

[Christian Hergert <chergert src gnome org>]

commit 68556bd4ff256728b5b59442b789f8db8996635e
Author: Christian Hergert <chergert redhat com>
Date:   Thu Nov 18 19:33:04 2021 -0800

    build: fix warning

 src/editor-application-actions.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/editor-application-actions.c b/src/editor-application-actions.c
index 9f36e81..5631cc9 100644
--- a/src/editor-application-actions.c
+++ b/src/editor-application-actions.c
@@ -237,12 +237,11 @@ editor_application_actions_remove_recent_cb (GSimpleAction *action,
                                              GVariant      *param,
                                              gpointer       user_data)
 {
-  EditorApplication *self = user_data;
   g_autoptr(GFile) file = NULL;
   const char *uri;
   const char *draft_id;
 
-  g_assert (EDITOR_IS_APPLICATION (self));
+  g_assert (EDITOR_IS_APPLICATION (user_data));
   g_assert (g_variant_is_of_type (param, G_VARIANT_TYPE ("(ss)")));
 
   g_variant_get (param, "(&s&s)", &uri, &draft_id);