Git commits in Moodle 3.8.x by Netica Informática

commit d17bf23e8af8efa3d3cb73e9d60149ca4ec90e2e
Author: Netica Informática <neticainformatica@gmail.com>
Date:   Sat, 17 Aug 2019 00:03:50 +0800
Tag:    v3.8.0-beta

MDL-66139 cachestore_redis: Fix connection problems when port is not set