[gnome-bluetooth] pairing-dialog: Fix GtkDialog subclassing

[Bastien Nocera <hadess src gnome org>]

commit d392a20dc5717d51eb6bfa223bcffa7d464d0e46
Author: Jonas Dreßler <verdre v0yd nl>
Date:   Fri Feb 18 11:17:06 2022 +0100

    pairing-dialog: Fix GtkDialog subclassing
    
    Right now the pairing dialog doesn't open because we're not specifying
    the correct parent class when creating the GtkDialog subclass, so fix
    that.

 lib/bluetooth-pairing-dialog.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/lib/bluetooth-pairing-dialog.h b/lib/bluetooth-pairing-dialog.h
index b732794a..8b0a4955 100644
--- a/lib/bluetooth-pairing-dialog.h
+++ b/lib/bluetooth-pairing-dialog.h
@@ -28,7 +28,7 @@ G_DECLARE_DERIVABLE_TYPE (BluetoothPairingDialog, bluetooth_pairing_dialog, BLUE
 
 struct _BluetoothPairingDialogClass
 {
-  GObjectClass parent_class;
+  GtkDialogClass parent_class;
 };
 
 typedef enum {