Added visibility

[driade]

This code gets added a "public" visibility in "function iso88591ToUtf8($s)"

<?php
namespace {
    class ConsoleOutput extends StreamOutput
    {
        public function __construct()
        {
        }
    }
}

namespace {
    class ProgressBar
    {
    }
    if (! function_exists("iso88591ToUtf8")) {
         function iso88591ToUtf8($s)
        {
        }
    }
}