base: port/port.tcl: Fix a problem caused by a flag that didn't get reset in batch mode, closes https://trac.macports.org/ticket/44091
base: port/port.tcl: Fix a problem caused by a flag that didn't get reset in batch mode, closes https://trac.macports.org/ticket/44091

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@121485 d073be05-634f-4543-b044-5fe20cf6d1d6

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