additional fix(to satisfy Win where CreateFile func does not support the path longer than 260)


mysql-test/r/create.result:
  Bug#21432 Database/Table name limited to 64 bytes, not chars, problems with multi-byte
  additional fix
mysql-test/t/create.test:
  Bug#21432 Database/Table name limited to 64 bytes, not chars, problems with multi-byte
  additional fix