staging: dgnc: dereferences ts var in dgnc_tty_close()

The value tty->termios needed to be dereferenced to be assigned to the
variable ts.
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/dgnc/dgnc_tty.c

@@ -1758,7 +1758,7 @@ static void dgnc_tty_close(struct tty_struct *tty, struct file *file)
 	if (!bd || bd->magic != DGNC_BOARD_MAGIC)
 		return;
 
-	ts = tty->termios;
+	ts = &tty->termios;
 
 	DPR_CLOSE(("Close called\n"));