Repair misplaced #ifndef's for QT_NO_PHONON_SETTINGSGROUP in GlobalConfig and improved videoCaptureDeviceList()
Repair misplaced #ifndef's for QT_NO_PHONON_SETTINGSGROUP in GlobalConfig and improved videoCaptureDeviceList()

KDE/phonon-xine,KDE/phonon-directshow,shadeslayer/phonon-gstreamer,KDE/phonon-waveout,KDE/phonon-xine,KDE/phonon-gstreamer,KDE/phonon-xine,KDE/phonon-mmf,KDE/phonon-directshow,KDE/phonon-quicktime,shadeslayer/phonon-gstreamer,KDE/phonon-gstreamer,shadeslayer/phonon-gstreamer