fpit and max X position for calibration

[Piotr Gluszenia Slawinski]

>>  I've upgraded to xorg 1.8.2 and 1.2.4 fpit driver recently, and
>
> 1.3.0-r1 obviously :)

http://www.mail-archive.com/ubuntu-x-swat@lists.launchpad.net/msg69863.html

just for reference and 'notepad' - seems someone else already got
affected by this bug...

problem is bit annoying as it's hard to use 'older' versions of
drivers, and they will be removed from i.e. gentoo's portage tree
soon as it happens with other older x releases...

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