Leading Numerics in Nodename

…seem to cause a little display bug in the categorized nodelist.
i assume more precise that the first occurence of a nodename with leading numerics causes this.

https://vvvv.org/sites/default/files/imagecache/large/images/screenshot004_1.jpg

https://vvvv.org/sites/default/files/imagecache/large/images/screenshot009.jpg

thanks, fixed for beta>20