Make the arch portion of a platforms call actually work. Bug:            https://trac.macports.org/ticket/1393 Submitted by:   Paul Guyot
Make the arch portion of a platforms call actually work.
Bug:            https://trac.macports.org/ticket/1393
Submitted by:   Paul Guyot

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@5555 d073be05-634f-4543-b044-5fe20cf6d1d6

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