Description of problem: The directory /usr/include/d is unowned. I believe it should be owned by ldc's devel package.
ldc-2-29.20120921git8968103.fc17 has been submitted as an update for Fedora 17. https://admin.fedoraproject.org/updates/ldc-2-29.20120921git8968103.fc17
Package ldc-2-29.20120921git8968103.fc17: * should fix your issue, * was pushed to the Fedora 17 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing ldc-2-29.20120921git8968103.fc17' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-14865/ldc-2-29.20120921git8968103.fc17 then log in and leave karma (feedback).