Wine must use gnutls to implement schannel support. You build against it but do not depend on it and so it is not installed when installing Wine. Manually installing the gnutls package restores schannel functionality to Windows applications that need it.
wine-1.1.35-1.fc12 has been pushed to the Fedora 12 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update wine'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F12/FEDORA-2009-13529
wine-1.1.36-1.fc12 has been submitted as an update for Fedora 12. http://admin.fedoraproject.org/updates/wine-1.1.36-1.fc12
wine-1.1.36-1.fc12 has been pushed to the Fedora 12 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update wine'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F12/FEDORA-2010-0819
wine-1.1.36-1.fc12 has been pushed to the Fedora 12 stable repository. If problems still persist, please make note of it in this bug report.