Fixed package_file_name for cpack
Fixed package_file_name for cpack

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