Merging boeyms' https://trac.macports.org/changeset/25310: Improve version comparison through nested rpm-vercomp calls.
Merging boeyms' https://trac.macports.org/changeset/25310: Improve version comparison through nested rpm-vercomp calls.

git-svn-id: dc463f922b716f8a7bf91846309830e794c23801@25525 d073be05-634f-4543-b044-5fe20cf6d1d6

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