commit 6a6eb1a4a9e48a3f7fcf3006cb4404051e572911
Author: Bill Meek <billmeek@mythtv.org>
Date:   Tue May 22 08:50:21 2018 -0500

    Removes error messages from "Recorded Programs" page
    
    In Ubuntu 18.04, the following prints for lines
    188 (and 189 for disk_used) on the above screen:
    
    Warning at /var/www/mythweb/modules/tv/recorded.php, line 188:
    
    !!NoTrans: Use of undefined constant disk_size - assumed 'disk_size' (this will throw an Error in a future version of PHP)!!
    
    (cherry picked from commit 664dc1707ccf7be8b0b1d9eadf6366de8bbaa9c9)
