Log Message:
Update php-zendopcache to 7.0.5.

pkgsrc change: this package support php54 and php55.

7.0.5
- Fixed bug #69281 (opcache_is_script_cached no longer works)
- Fixed bug #68677 (Use After Free in OPcache)
- Make killing a locker an ERROR event
- Fixed bug #69125 (Array numeric string as key)
- Fixed bug #69038 (switch(SOMECONSTANT) misbehaves)
- Fixed segfault while running with moodle