tiocmset: kill the file pointer argument

Doing tiocmget was such fun we should do tiocmset as well for the same
reasons

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 35b610a..2f837e9 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -511,7 +511,7 @@
 		(ctrl   & UART_MCR_OUT2 ? TIOCM_OUT2 : 0);
 }
 
-static int ark3116_tiocmset(struct tty_struct *tty, struct file *file,
+static int ark3116_tiocmset(struct tty_struct *tty,
 			unsigned set, unsigned clr)
 {
 	struct usb_serial_port *port = tty->driver_data;