Wrong coding for message t()

Existing code is bad for localization, flooding the locale's tables.

Should be as follow
Line 84, 88 respectively:

<?php
$message = t('Your file is too big. The limit is @uploadsize and your file is @filesize.', array('@uploadsize' => format_size($limit), '@filesize' => format_size($file['filesize'])));
...
$message = t('Your file is too big. The limit is @uploadsize and your file is @filesize.', array('@uploadsize' => format_size($uploadsize), '@filesize' => format_size($file['filesize'])));
?>