www/h2o: update 2.2.4 to 2.2.5
- fix buffer overflow CVE-2018-0608 #1775 (Frederik Deweerdt)
- LibreSSL and PicoTLS changes
- see https://github.com/h2o/h2o/blob/master/Changes
PR: 228762
Submitted by: Max Kostikov <max@kostikov.co>
Approved by: jrm
MFH: 2018Q3
Security: CVE-2018-0608