Security update for mariadb, mariadb-connector-c

This update for mariadb and mariadb-connector-c fixes the following issues: mariadb: - Update to version 10.2.25 (bsc#1136035) - CVE-2019-2628: Fixed a remote denial of service by an privileged attacker (bsc#1136035). - CVE-2019-2627: Fixed another remote denial of service by an privileged attacker (bsc#1136035). - CVE-2019-2614: Fixed a potential remote denial of service by an privileged attacker (bsc#1136035). - Fixed reading options for multiple instances if my${INSTANCE}.cnf is used (bsc#1132666). - Adjust mysql-systemd-helper ('shutdown protected MySQL' section) so it checks both ping response and the pid in a process list as it can take some time till the process is terminated. Otherwise it can lead to 'found left-over process' situation when regular mariadb is started (bsc#1143215). mariadb-connector-c: - Update to version 3.1.2 (bsc#1136035) - Moved libmariadb.pc from /usr/lib/pkgconfig to /usr/lib64/pkgconfig for x86_64 (bsc#1126088)