rhn-client-tools-debuginfo is empty. Should the package be noarch? It seems that it was earlier, but some SUSE conditionals have been added to the specfile which result in the package being built arch specific in Fedora. See bug 496968 for more info.
Fixed by commit 236ed5ab5f39d27b1de2a2063beece51928e646f
rhn-client-tools-0.9.2-1.fc13 has been submitted as an update for Fedora 13. http://admin.fedoraproject.org/updates/rhn-client-tools-0.9.2-1.fc13
rhn-client-tools-0.9.2-1.fc13 has been pushed to the Fedora 13 stable repository. If problems still persist, please make note of it in this bug report.