Comment 173 for bug 438868

Thanks Chris and Vish for testing this. I've also run the proposed backport of:

http://cgit.compiz.org/compiz/core/commit/?id=30a92d8a060d79181a28840d7c66428ef431200c

Sam Spilsbury who is happy with the patch and so on that basis I'm prepared to re-sign Chris' upload attempt on that basis.