add some more DevToolsCore versions to use when xcodebuild doesn't print the Xcode version for some reason (https://trac.macports.org/ticket/26391)
add some more DevToolsCore versions to use when xcodebuild doesn't print the Xcode version for some reason (https://trac.macports.org/ticket/26391)

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@78908 d073be05-634f-4543-b044-5fe20cf6d1d6

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