staging: wilc1000: remove goto label '_done_' in handle_listen_state_expired()

Remove the use of goto label '_done_' in handle_listen_state_expired().
Changes are done to avoid the use of '_' in label name.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>