Simply remove the tmp dir before creating the symlink. We are doing
chroots all over the place, so there is bound to be a stale file lying
around in there (in my case samba lock files from creating accounts). If
we don't do that, the symlink later will fail.


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274792 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f