Patch for use of RT_NONE busted by an update to resource.c

[Pete Zaitcev]

On Wed, 06 Aug 2008 15:30:09 -0700, Keith Packard <keithp at keithp.com> wrote:

> Please test and see if this patch doesn't solve your problem without
> eliminating the (valid) use of RT_NONE.

Thanks a lot. Your patch eliminates the symptom when applied to
xserver 1.4.99.906.

-- Pete