anymore since the build process was very hacky. Instead
mount/umount looks for mount helpers in
/var/run/current-system/sw/sbin. It would be better to use an
environment variable, but that would be risky if mount is setuid
root.
* e2fsprogs: updated to 1.41.8. Don't build libuuid, libblkid
etc. anymore, since they have been moved to util-linux-ng.
* nfs-utils: updated to 1.2.0.
svn path=/nixpkgs/trunk/; revision=16682
