[cairo] freedesktop.org links in configure.in are wrong

[Jamey Sharp]

On Thu, Apr 07, 2005 at 07:12:15PM -0400, Jason Dorje Short wrote:
> The patch should pretty much be self-explanatory - the URL was 
> misspelled.  The XCB link actually did exist but was a directory 
> listing; the other two just gave "file not found".  All the new links do 
> work.

> -  use_xcb="no (requires XCB http://freedesktop.org/software/xcb)"])
> +  use_xcb="no (requires XCB http://freedesktop.org/Software/xcb)"])

That's not really the right URL for XCB either.
http://xcb.freedesktop.org is current.

We should finish the re-arranging that started after fd.o was hacked,
but oddly nobody's very interested in doing it. :-)

--Jamey