Discoverer: Update gen.cpp for GstDiscoverer wrapping
Discoverer: Update gen.cpp for GstDiscoverer wrapping

nasserGanjali/QtGStreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,knuesel/qt-gstreamer,dejunk/gstreamer,tswindell/qt-gstreamer,detrout/qt-gstreamer,detrout/qt-gstreamer,GStreamer/qt-gstreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,nasserGanjali/QtGStreamer,iperry/qt-gstreamer,comicfans/libqtgstreamer,iperry/qt-gstreamer,GStreamer/qt-gstreamer,freedesktop-unofficial-mirror/gstreamer__qt-gstreamer,iperry/qt-gstreamer,knuesel/qt-gstreamer,detrout/qt-gstreamer,tswindell/qt-gstreamer,nasserGanjali/QtGStreamer,comicfans/libqtgstreamer,GStreamer/qt-gstreamer,ylatuya/qt-gstreamer,dejunk/gstreamer,ylatuya/qt-gstreamer,comicfans/libqtgstreamer,tswindell/qt-gstreamer,ylatuya/qt-gstreamer,knuesel/qt-gstreamer,dejunk/gstreamer