Fix for CONC-86:   mysql.h doesn't include the API function mysql_hex_string
Fix for CONC-86:
  mysql.h doesn't include the API function mysql_hex_string

ottok/mariadb-connector-c,MariaDB/mariadb-connector-c,ericherman/mariadb-connector-c,grubba/mariadb-connector-c,ericherman/mariadb-connector-c,grubba/mariadb-connector-c,ottok/mariadb-connector-c,ericherman/mariadb-connector-c,MariaDB/mariadb-connector-c,MariaDB/mariadb-connector-c,grubba/mariadb-connector-c,ottok/mariadb-connector-c