MFH: r445145
www/php71-opcache: Fix 'Undefined symbol "zend_file_cache_script_load"'
Add patch to fix PHP bug #74766:
https://bugs.php.net/bug.php?id=74766
PR: 220430
Reported by: Bernard Spil <brnrd@FreeBSD.org>
Approved by: ports-secteam (junovitch)