Make InnoDB option "loose", as the server might be
started with this option just to find out the test
is to be skipped in the configuration (bug#17359)
Fixed bugs:
BUG#15991: "innodb-file-per-table + symlink database + rename = crash"
BUG#15650: "DELETE with LEFT JOIN crashes server"
BUG#15308: "Problem of Order with Enum Column in Primary Key"
BUG#14189: "VARBINARY and BINARY variables: trailing space ignored"