mxser: convert comma to semicolon

Replace a comma between expression statements by a semicolon.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Link: https://lore.kernel.org/r/20240903023754.493568-1-nichen@iscas.ac.cnSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/mxser.c

@@ -983,7 +983,7 @@ static int mxser_get_serial_info(struct tty_struct *tty,
 	ss->baud_base = MXSER_BAUD_BASE;
 	ss->close_delay = close_delay;
 	ss->closing_wait = closing_wait;
-	ss->custom_divisor = MXSER_CUSTOM_DIVISOR,
+	ss->custom_divisor = MXSER_CUSTOM_DIVISOR;
 	mutex_unlock(&port->mutex);
 	return 0;
 }