which: update url

[niclas]

also be0 conversion

[wwwutz]

nice.

root:invidia:/scratch/local2/# bee update which
installing /src/mariux/beeroot/packages/which-2.20-1.x86_64.bee.tar.bz2 ..
adding which.info to /usr/share/info/dir
removing which-2.20-0.x86_64 ..
root:invidia:/scratch/local2/# which which
/usr/bin/which