logrotate-3.7.9-13.fc15 has been submitted as an update for Fedora 15. https://admin.fedoraproject.org/updates/logrotate-3.7.9-13.fc15
-13 does not redirect output any more, but the file is still not marked as a configuration file, if that was still the intention.
logrotate-3.7.9-13.fc15 has been pushed to the Fedora 15 stable repository. If problems still persist, please make note of it in this bug report.