Cancel and Delete buttons are not localizable

[romanzes]

I made a translation of PasscodeLock.strings to Russian, but found that "Cancel" and "Delete" buttons on keypad are still in English. It's strange that this behavior hasn't got an attention yet. Localization should be supported for them. However, there is a workaround using custom PasscodeLockViewController:

class LocalizedPasscodeViewController: PasscodeLockViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        cancelButton?.setTitle(NSLocalizedString("passcode_cancel_button", comment: "Passcode screen cancel button"), forState: .Normal)
        deleteSignButton?.setTitle(NSLocalizedString("passcode_delete_button", comment: "Passcode screen delete button"), forState: .Normal)
    }
}