FlightDisplay: Change from foreach to c++11 for

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

src/FlightDisplay/VideoManager.cc

@@ -66,7 +66,7 @@ VideoManager::setToolbox(QGCToolbox *toolbox)
 #ifndef QGC_DISABLE_UVC
    // If we are using a UVC camera setup the device name
     QList<QCameraInfo> cameras = QCameraInfo::availableCameras();
-    foreach (const QCameraInfo &cameraInfo, cameras) {
+    for (const QCameraInfo &cameraInfo: cameras) {
         if(cameraInfo.description() == videoSource) {
             _videoSourceID = cameraInfo.deviceName();
             emit videoSourceIDChanged();