[Libcdio-devel] Recent changes to the iso9660 library

[R. Bernstein]

In conjunction with using the Perl bindings for libiso9660, Martin
Ferrari has mentions a problem using find_lsn. He would like the
complete file path.

So I've recently added a variant of find_lsn which will give the path
back. Internally this information had been recorded. And along with
that I've tried to remove a little of the redundancy in iso9660_fs.c
although there much more that could be done.