fix syntactical oddity caused by xcode auto-conversion. we know this particular constructor should never return nil (unless the fixture file is missing, which it wont be).
fix syntactical oddity caused by xcode auto-conversion. we know this particular constructor should never return nil (unless the fixture file is missing, which it wont be).

ttilley/docopt.swift,docopt/docopt.swift,ttilley/docopt.swift,docopt/docopt.swift