[Cairo] make error with cvs cairo

[Keith Packard]

Around 15 o'clock on Sep 15, Carl Worth wrote:

> The errors indicate that the Xrender.h file you have is older than
> what Cairo expects. You may upgrade your Xrender library by getting a
> new version from keithp.com CVS:

Note that Xrender/Render has moved from keithp.com to pdx.freedesktop.org. 
I'm hoping to get the old stuff taken down in a few days (after I get back 
from Alaska).

-keith