port/port.tcl: Quote homepage URL to avoid problems with special shell characters like '&'. Closes https://trac.macports.org/ticket/16491
port/port.tcl:
Quote homepage URL to avoid problems with special shell characters like '&'.
Closes https://trac.macports.org/ticket/16491

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@40414 d073be05-634f-4543-b044-5fe20cf6d1d6

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