mariadb: security bump to version 10.1.22

mariadb: security bump to version 10.1.22

Fixes:

CVE-2017-3302 - C client library for MySQL (libmysqlclient.so) has
use-after-free defect which can cause crash of applications using that MySQL
client.

CVE-2017-3313 - Difficult to exploit vulnerability allows low privileged
attacker with logon to the infrastructure where MySQL Server executes to
compromise MySQL Server.  Successful attacks of this vulnerability can
result in unauthorized access to critical data or complete access to all
MySQL Server accessible data.

And a number of important, but non-security related fixes:

MDEV-11842: Fix a 10.1.21 regression with failed INSERT, BEFORE INSERT
triggers, and columns with no default value

MDEV-12075: Fix a 10.1.21 regression in the InnoDB data file extension code

For details, see the release notes:
https://mariadb.com/kb/en/mariadb/mariadb-10122-release-notes/

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>