Fixed qtmultimedia imports -qtnamespace issues.

Change-Id: Ie7896faf92b3cc5fdf2b6dbe885913c2669e6e36
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>

src/imports/multimedia/qdeclarativeradio.cpp

@@ -216,3 +216,5 @@ void QDeclarativeRadio::_q_error(QRadioTuner::Error errorCode)
     emit error(static_cast<QDeclarativeRadio::Error>(errorCode));
     emit errorChanged();
 }
+
+QT_END_NAMESPACE

src/imports/multimedia/qdeclarativeradiodata.cpp

@@ -116,3 +116,5 @@ void QDeclarativeRadioData::_q_error(QRadioData::Error errorCode)
     emit error(static_cast<QDeclarativeRadioData::Error>(errorCode));
     emit errorChanged();
 }
+
+QT_END_NAMESPACE

src/imports/multimedia/qdeclarativevideooutput.cpp

@@ -57,6 +57,8 @@
 //#define DEBUG_VIDEOITEM
 Q_DECLARE_METATYPE(QAbstractVideoSurface*)
 
+QT_BEGIN_NAMESPACE
+
 class QSGVideoItemSurface : public QAbstractVideoSurface
 {
 public:
@@ -382,3 +384,5 @@ QSGNode *QDeclarativeVideoOutput::updatePaintNode(QSGNode *oldNode, UpdatePaintN
     videoNode->setCurrentFrame(m_frame);
     return videoNode;
 }
+
+QT_END_NAMESPACE

src/imports/multimedia/qdeclarativevideooutput_p.h

@@ -51,6 +51,8 @@
 
 #include "qsgvideonode_p.h"
 
+QT_BEGIN_NAMESPACE
+
 class QSGVideoItemSurface;
 class QVideoRendererControl;
 class QMediaService;
@@ -120,4 +122,6 @@ private:
     QRectF m_sourceRect;
 };
 
+QT_END_NAMESPACE
+
 #endif // QDECLARATIVEVIDEOOUTPUT_H