Patch for libkcddb to avoid crash in cache.cpp

[Richard Lärkäng]

Hi!

Looks good to me.

/Richard

On Tuesday 31 August 2010 09:34:24 Gerd Fleischer wrote:
> Hi,
> 
> looks like libcddb crashes in cache.cpp if for some reason the no cache
> directory is defined in accessing c.cacheLocations().first().
> 
> The attached patch tries to fix this. Comments?
> 
> Gerd