This update for mariadb-connector-c fixes the following issues:

Security issue fixed:

- CVE-2020-13249: Fixed an improper validation of OK packets received from clients (bsc#1171550).

Non-security issues fixed:

- Update to release 3.1.8 (bsc#1171550)
* CONC-304: Rename the static library to libmariadb.a and other libmariadb files in a consistent manner
* CONC-441: Default user name for C/C is wrong if login user is different from effective user
* CONC-449: Check $MARIADB_HOME/my.cnf in addition to $MYSQL_HOME/my.cnf
* CONC-457: mysql_list_processes crashes in unpack_fields
* CONC-458: mysql_get_timeout_value crashes when used improper
* CONC-464: Fix static build for auth_gssapi_client plugin

This update was imported from the SUSE:SLE-15:Update update project.