Infinit redirect loop if filename contains Unicode characters

[mersadk]

If filename from uploads directory contains Unicode characters, infinite loop will occur.
This happens on Windows, not sure for Linux.

To fix this, two things needs to be changed in class-404-template.php file.

In function get_local_path() replace line
$this->local_path = $requested_path;
with
$this->local_path = urldecode($requested_path);

Then, in function download() add snippet

if(strcasecmp(substr(PHP_OS, 0, 3), 'WIN') == 0){
    $abspath = iconv('UTF-8', 'WINDOWS-1252', $abspath);
}

before line
$saved_image = $wp_filesystem->put_contents.....