QtMultimedia doc/qmlvideo example have some dependencies to QtSystemInfo

Supers-iMac-2:Qt5.0.0-387 qt365$ pwd
/Users/qt365/Qt5.0.0-387
Supers-iMac-2:Qt5.0.0-387 qt365$ grep -Irni "QtSystemInfo" .
./5.0.0/clang_64/doc/qtmultimedia/multimedia-video-qmlvideo-qml-qmlvideo-disablescreensaver-qml.html:60:import QtSystemInfo 5.0
./5.0.0/clang_64/doc/qtmultimedia/qml-qtmultimedia5-video.html:101:<p>If it is likely that an application will be playing video for an extended period of time without user interaction, it may be necessary to disable the platform's screen saver. The ScreenSaver (from QtSystemInfo) may be used to disable the screensaver in this fashion:</p>
./5.0.0/clang_64/doc/qtmultimedia/qml-qtmultimedia5-video.html:102:<pre class="qml">import QtSystemInfo 5.0
./5.0.0/clang_64/doc/qtmultimedia/qml-qtmultimedia5-videooutput.html:85:<p>If it is likely that an application will be playing video for an extended period of time without user interaction it may be necessary to disable the platform's screen saver. The ScreenSaver (from QtSystemInfo) may be used to disable the screensaver in this fashion:</p>
./5.0.0/clang_64/doc/qtmultimedia/qml-qtmultimedia5-videooutput.html:86:<pre class="qml">import QtSystemInfo 5.0
./5.0.0/clang_64/examples/multimedia/video/qmlvideo/qml/qmlvideo/DisableScreenSaver.qml:43:import QtSystemInfo 5.0
./5.0.0/clang_64/qml/QtMultimedia/Video.qml:92:    the platform's screen saver. The \l ScreenSaver (from \l QtSystemInfo)
./5.0.0/clang_64/qml/QtMultimedia/Video.qml:96:    import QtSystemInfo 5.0
./5.0.0/Src/qtdoc/doc/config/qtdoc-project.qdocconf:37:    qtsysteminfo \
./5.0.0/Src/qtmultimedia/examples/multimedia/video/qmlvideo/qml/qmlvideo/DisableScreenSaver.qml:43:import QtSystemInfo 5.0
./5.0.0/Src/qtmultimedia/src/imports/multimedia/qdeclarativevideooutput.cpp:109:    the platform's screen saver. The \l ScreenSaver (from \l QtSystemInfo)
./5.0.0/Src/qtmultimedia/src/imports/multimedia/qdeclarativevideooutput.cpp:113:    import QtSystemInfo 5.0
./5.0.0/Src/qtmultimedia/src/imports/multimedia/Video.qml:92:    the platform's screen saver. The \l ScreenSaver (from \l QtSystemInfo)
./5.0.0/Src/qtmultimedia/src/imports/multimedia/Video.qml:96:    import QtSystemInfo 5.0

Starting /Users/qt365/Qt5.0.0-387/5.0.0/clang_64/examples/multimedia/video/qmlvideo-build-Desktop_Qt_5_0_0_clang_64bit_SDK-Debug/qmlvideo.app/Contents/MacOS/qmlvideo...
QML debugging is enabled. Only use this in a safe environment.
qrc:///qml/qmlvideo/DisableScreenSaver.qml:43:1: module "QtSystemInfo" is not installed