mysql-test/mysql-test-run.sh:
  Less restricted permissions.
mysql-test/r/rpl_rotate_logs.result:
  If the path where mysql-test-run was run was symlinked, this test could
  fail. This is a fix.
mysql-test/t/rpl_rotate_logs.test:
  If the path where mysql-test-run was run was symlinked, this test could
  fail. This is a fix.