qcam: main_window: Fix include ordering

The libcamera coding style has libcamera headers after system headers,
and before any other library headers.

Move the libcamera headers above the QT headers accordingly.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>

src/qcam/main_window.cpp

@@ -11,6 +11,9 @@
 #include <iomanip>
 #include <string>
 
+#include <libcamera/camera_manager.h>
+#include <libcamera/version.h>
+
 #include <QComboBox>
 #include <QCoreApplication>
 #include <QFileDialog>
@@ -25,9 +28,6 @@
 #include <QToolButton>
 #include <QtDebug>
 
-#include <libcamera/camera_manager.h>
-#include <libcamera/version.h>
-
 #include "../cam/image.h"
 #include "dng_writer.h"
 #ifndef QT_NO_OPENGL