Debian package uploaded.

Now that Jaakko Niemi is a Debian maintainer and has uploaded the sfs-client, sfs-server, sfs-lib, and sfs-dev Debian packages to non-us.debian.org, I can go ahead and upload libpam-sfs Debian packages. Hopefully, a larger user community will result in more problem reports which will result in a more robust libpam-sfs :)