bug#6354: 23.2; set-frame-size sets incorrect size

[martin rudalics]

> The set-frame-size function sets a frame height that is one less than
> requested.  This can be demonstrated by evaluating the following code:
>
>   (set-frame-size (selected-frame) 80 32)
>   (message "Frame size is %dx%d (requested 80x32)" (frame-width) 
(frame-height))
>
> The message that gets printed is
>
>   Frame size is 80x31 (requested 80x32)
>
> The width is occasionally set incorrectly, too, although I'm not certain
> how to reproduce this reliably.
>
> This functionality works correctly in Emacs 23.1 built with exactly the
> same configuration options.
>
> In GNU Emacs 23.2.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2010-06-01 on dcamd12

Works here with current master/trunk and a Lucid build with Xaw3d scroll
bars.  Can you try it?

Thanks, martin