port1.0/portutil.tcl: Error out if Portfile has modification time in the future
port1.0/portutil.tcl:
Error out if Portfile has modification time in the future

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@65246 d073be05-634f-4543-b044-5fe20cf6d1d6

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