Code review comment for lp:~semiosis/livecd-rootfs/fix-for-1565985

Just realized I forgot to point out where the new changed file goes! See below...

> # Now we can have live-build set up the workspace
>
> lb config
>

After running the `lb config` command above you'll have a /build/config directory. Replace /build/config/hooks/042-vagrant.binary with the version in this branch. Then continue on to run `lb build`.