qcam: viewfinder_qt: Fix include orders

Update the header orders to match the code style as decreed by
clang-format.

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

src/qcam/viewfinder_qt.cpp

@@ -11,16 +11,17 @@
 #include <stdint.h>
 #include <utility>
 
+#include <libcamera/formats.h>
+
 #include <QImage>
 #include <QImageWriter>
 #include <QMap>
 #include <QMutexLocker>
 #include <QPainter>
 #include <QtDebug>
 
-#include <libcamera/formats.h>
-
 #include "../cam/image.h"
+
 #include "format_converter.h"
 
 static const QMap<libcamera::PixelFormat, QImage::Format> nativeFormats