add missing opt file


mysql-test/suite/rpl/r/rpl_innodb_bug28430.result:
  explicit post-test cleanup
mysql-test/suite/rpl/r/rpl_innodb_bug30888.result:
  explicit post-test cleanup
mysql-test/suite/rpl/t/rpl_innodb_bug28430.test:
  explicit post-test cleanup
mysql-test/suite/rpl/t/rpl_innodb_bug30888.test:
  explicit post-test cleanup
mysql-test/suite/rpl/t/rpl_innodb_bug28430-slave.opt:
  New BitKeeper file ``mysql-test/suite/rpl/t/rpl_innodb_bug28430-slave.opt''