[patch] Fix invalid cache generation when there are empty <match /> rules

[Danny Kukawka]

On Samstag, 22. Dezember 2007, Sjoerd Simons wrote:
> Hi,
>
>   See attached patch. Ok to commit ? :)

Wasn't this already fixed by commit #111326d934c783716582eb3d4af1bc992421109c 
or is there an other problem? 

Danny