tests/auto/structuretest.cpp elements need to be in StateNull before being destroyed.
tests/auto/structuretest.cpp elements need to be in StateNull before being destroyed.

And since they automatically get deleted when they go out of scope
we need to do this.

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