[gnome-applets] sticky-notes: fix memory leak

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 1c5788b6984d10f7610fdf53bb224e2fd8e0ef6a
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 2 17:19:20 2022 +0300

    sticky-notes: fix memory leak

 gnome-applets/sticky-notes/sticky-notes-applet.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gnome-applets/sticky-notes/sticky-notes-applet.c 
b/gnome-applets/sticky-notes/sticky-notes-applet.c
index b84a0fea4..adc0f11a4 100644
--- a/gnome-applets/sticky-notes/sticky-notes-applet.c
+++ b/gnome-applets/sticky-notes/sticky-notes-applet.c
@@ -264,6 +264,8 @@ sticky_notes_applet_dispose (GObject *object)
   g_clear_pointer (&self->destroy_all_dialog, gtk_widget_destroy);
   g_clear_pointer (&self->w_prefs, gtk_widget_destroy);
 
+  g_clear_object (&self->settings);
+
   G_OBJECT_CLASS (sticky_notes_applet_parent_class)->dispose (object);
 }