Fix signature of invalidated
Fix signature of invalidated

Qt signal binding is sensitive to the difference between
Telepathy::Client::StatefulDBusProxy and StatefulDBusProxy, because
it's secretly string comparison. Sad face.

freedesktop-unofficial-mirror/telepathy__telepathy-qt,TelepathyIM/telepathy-qt,TelepathyQt/telepathy-qt,detrout/telepathy-qt,TelepathyIM/telepathy-qt,tiagosh/telepathy-qt,tiagosh/telepathy-qt,TelepathyIM/telepathy-qt,anantkamath/telepathy-qt,anantkamath/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,TelepathyQt/telepathy-qt,TelepathyIM/telepathy-qt,TelepathyQt/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt,anantkamath/telepathy-qt,TelepathyQt/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,detrout/telepathy-qt,detrout/telepathy-qt,tiagosh/telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,tiagosh/telepathy-qt,TelepathyIM/telepathy-qt,special/telepathy-qt-upstream,freedesktop-unofficial-mirror/telepathy__telepathy-qt,freedesktop-unofficial-mirror/telepathy__telepathy-qt4,special/telepathy-qt-upstream,special/telepathy-qt-upstream