MFH: r443990

• chinese/wordpress-zh_TW: Update to 4.7.5
• Changelog: https://wordpress.org/news/2017/05/wordpress-4-7-5/

Approved by: miwi (mentor)
Security: a5bb7ea0-3e58-11e7-94a2-00e04c1ea73d
Differential Revision: https://reviews.freebsd.org/D11275

Approved by: ports-secteam (miwi), miwi (mentor)