[cairo] Memory (?) problems with master

[Chris Wilson]

Excerpts from Damian Frank's message of Thu Aug 20 02:34:44 +0100 2009:
> Well, I didn't end up doing any complex capture of my rendering process, due
> to time constraints.  I just did a regular git bisect.  I found that my
> linux problem is caused by commit c0e01d9cd71bd958e1b31a03cea4c08a1bdf4926
> ([xlib] Improve GC caching efficacy)  I haven't dug in past that -- is that
> enough for you to go on?

Thanks Damian. That's more than enough evidence for me to worry about a
whole class of bugs now. :|
-ickle