fix incorrect case, "XCode" -> "Xcode"
fix incorrect case, "XCode" -> "Xcode"

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@89894 d073be05-634f-4543-b044-5fe20cf6d1d6

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