IODevice: Removed Q_DECL_OVERRIDE usage.
IODevice: Removed Q_DECL_OVERRIDE usage.

It is not available in Qt4.

TelepathyIM/telepathy-qt,TelepathyQt/telepathy-qt,TelepathyQt/telepathy-qt,TelepathyQt/telepathy-qt,TelepathyIM/telepathy-qt,TelepathyQt/telepathy-qt,TelepathyIM/telepathy-qt,TelepathyIM/telepathy-qt,TelepathyIM/telepathy-qt