Hotfix - PHP 5.4.16 - Unit Test Fix

PHP 5.4.15 or 5.4.16 fixed a file extension type handler, causing an old test to fail. This fixes that. :)

I'm guessing the bug was fixed with either of these PHP-core bug-fixes:
- https://bugs.php.net/bug.php?id=64830
- Upgraded libmagic to 5.14