Fix for CONC-140: Prevent redefinition of ssize_t for MinGW build
Fix for CONC-140: Prevent redefinition of ssize_t for MinGW build

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