[debian-mysql] Bug#765425: Bug#765425: mysql-server-5.5: mysql-sever lacks a systemd .service file.

[Otto Kekäläinen]

A systemd file for MariaDB would be good too. Upstream does not
provide one and the different downstream versions are wildly different
so this requires more work than just to pick one, see
https://mariadb.atlassian.net/browse/MDEV-427?focusedCommentId=59306&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-59306