pty: Fix documentation

The pty changes and updates for window sizing forgot to correct the
kerneldoc

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/pty.c

@@ -230,9 +230,7 @@ static void pty_set_termios(struct tty_struct *tty,
 /**
  *	pty_do_resize		-	resize event
  *	@tty: tty being resized
- *	@real_tty: real tty (not the same as tty if using a pty/tty pair)
- *	@rows: rows (character)
- *	@cols: cols (character)
+ *	@ws: window size being set.
  *
  *	Update the termios variables and send the neccessary signals to
  *	peform a terminal resize correctly