* lang/qt/src/quickjob.h (QuickJob::startRevokeSignature): New.
* lang/qt/src/qgpgmequickjob.h, lang/qt/src/qgpgmequickjob.cpp
(QGpgMEQuickJob::startRevokeSignature): New.
* lang/qt/src/qgpgmequickjob.cpp (revokeSignatureWorker): New.