staging/vt6656: remove unnecessary return in BSSvSecondTxData

this return is at the function end, and function is returning nothing..
i.e a void.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/wcmd.c

@@ -1300,5 +1300,4 @@ void BSSvSecondTxData(void *hDeviceContext)
 
 	pDevice->sTimerTxData.expires = RUN_AT(10 * HZ);      //10s callback
 	add_timer(&pDevice->sTimerTxData);
-	return;
 }