MFH: r417493

lang/php56: update 5.6.22 -> 5.6.23

PR: 210502
Submitted by: Philip Jocks <freebsdbugs@filis.org>
Approved by: ports-secteam (with hat)
Security: CVE-2015-8874
Security: CVE-2016-5766
Security: CVE-2016-5767
Security: CVE-2016-5768
Security: CVE-2016-5769
Security: CVE-2016-5770
Security: CVE-2016-5771
Security: CVE-2016-5772
Security: CVE-2016-5773
Security: https://vuxml.FreeBSD.org/freebsd/66d77c58-3b1d-11e6-8e82-002590263bf5.html