Add the trailing slash to our rsync based ports tree when upgrading the sources.conf file.
Add the trailing slash to our rsync based ports tree when upgrading the sources.conf file.

git-svn-id: dc463f922b716f8a7bf91846309830e794c23801@25176 d073be05-634f-4543-b044-5fe20cf6d1d6

macports/macports-base,danchr/macports-base,neverpanic/macports-base,macports/macports-base,danchr/macports-base,neverpanic/macports-base