[krb5-auth-dialog] applet: Destroy widget in dispose

[Guido Günther <guidog src gnome org>]

commit 3589f48f66eb1653108dc32038b797d12b7defda
Author: Guido Günther <agx sigxcpu org>
Date:   Thu Oct 13 14:05:57 2022 +0200

    applet: Destroy widget in dispose
    
    We want to get rid of a separate destroy function

 src/ka-applet.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/ka-applet.c b/src/ka-applet.c
index d8b339c..879ad54 100644
--- a/src/ka-applet.c
+++ b/src/ka-applet.c
@@ -424,6 +424,7 @@ ka_applet_dispose (GObject *object)
     KaApplet *self = KA_APPLET (object);
 
     g_clear_pointer (&self->pwdialog, ka_window_destroy);
+    g_clear_pointer (&self->prefs, ka_window_destroy);
     g_clear_object (&self->loader);
 
     G_OBJECT_CLASS (ka_applet_parent_class)->dispose (object);
@@ -780,8 +781,6 @@ ka_applet_destroy (KaApplet* self)
                                       GTK_WINDOW (first->data));
     }
 
-    gtk_widget_destroy (GTK_WIDGET(self->prefs));
-    self->prefs = NULL;
 
     ka_kerberos_destroy ();
 }