Change collation for ALTER-omitted ENUMs from utf8_bin (where "y" and  "Y" are different) to utf8_general_ci (where same).
Change collation for ALTER-omitted ENUMs from utf8_bin (where "y" and 
"Y" are different) to utf8_general_ci (where same).


scripts/mysql_fix_privilege_tables.sql:
  Change collation for ALTER-omitted ENUMs from utf8_bin (where "y" and 
  "Y" are different) to utf8_general_ci (where same).  In the previous 
  statement, we clobber the collation to utf8_bin for all columns, and 
  that's the wrong thing to do for enums.

natsys/mariadb_10.2,davidl-zend/zenddbi,natsys/mariadb_10.2,ollie314/server,natsys/mariadb_10.2,ollie314/server,flynn1973/mariadb-aix,ollie314/server,ollie314/server,davidl-zend/zenddbi,davidl-zend/zenddbi,flynn1973/mariadb-aix,flynn1973/mariadb-aix,ollie314/server,davidl-zend/zenddbi,davidl-zend/zenddbi,flynn1973/mariadb-aix,ollie314/server,natsys/mariadb_10.2,slanterns/server,flynn1973/mariadb-aix,flynn1973/mariadb-aix,natsys/mariadb_10.2,natsys/mariadb_10.2,flynn1973/mariadb-aix,davidl-zend/zenddbi,flynn1973/mariadb-aix,davidl-zend/zenddbi,davidl-zend/zenddbi,flynn1973/mariadb-aix,davidl-zend/zenddbi,ollie314/server,natsys/mariadb_10.2,natsys/mariadb_10.2,ollie314/server,flynn1973/mariadb-aix,natsys/mariadb_10.2,ollie314/server,davidl-zend/zenddbi,natsys/mariadb_10.2,flynn1973/mariadb-aix,ollie314/server,ollie314/server,natsys/mariadb_10.2,davidl-zend/zenddbi