[gnome-bluetooth] settings: Switch to new GtkAccessible API

[Bastien Nocera <hadess src gnome org>]

commit bfb8803ba3ae92a711c392046fd753932eaf2a4d
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Oct 27 13:44:20 2021 -0300

    settings: Switch to new GtkAccessible API
    
    GTK4 doesn't rely on ATK objects anymore, switch to GtkAccessible
    in the only place it's used. There's no "label-for" relation anymore,
    only "labelled-by".

 lib/bluetooth-settings-widget.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/lib/bluetooth-settings-widget.c b/lib/bluetooth-settings-widget.c
index 782f43a2..e36ca851 100644
--- a/lib/bluetooth-settings-widget.c
+++ b/lib/bluetooth-settings-widget.c
@@ -1579,12 +1579,9 @@ add_device_section (BluetoothSettingsWidget *self)
                                    (GtkListBoxSortFunc)device_sort_func, NULL, NULL);
        g_signal_connect_swapped (priv->device_list, "row-activated",
                                  G_CALLBACK (activate_row), self);
-        atk_object_add_relationship (ATK_OBJECT (gtk_widget_get_accessible (priv->device_label)),
-                                     ATK_RELATION_LABEL_FOR,
-                                     ATK_OBJECT (gtk_widget_get_accessible (priv->device_list)));
-        atk_object_add_relationship (ATK_OBJECT (gtk_widget_get_accessible (priv->device_list)),
-                                     ATK_RELATION_LABELLED_BY,
-                                     ATK_OBJECT (gtk_widget_get_accessible (priv->device_label)));
+       gtk_accessible_update_relation (GTK_ACCESSIBLE (priv->device_list),
+                                       GTK_ACCESSIBLE_RELATION_LABELLED_BY, priv->device_label, NULL,
+                                       -1);
 
        priv->device_stack = gtk_stack_new ();
        gtk_stack_set_homogeneous (GTK_STACK (priv->device_stack), FALSE);