[FreeNX-kNX] Wrong url for 0.7.3 version.

[Fabian Franz]

> Hi,
> 
> The initial page is pointing to
> http://prdownload.berlios.de/freenx/freenx-0.7.3.tar.gz instead of
> http://prdownload.berlios.de/freenx/freenx-server-0.7.3.tar.gz.

Thank you. Fixed.

Best Wishes,

Fabian