configure_camera: forward declare CameraInterface

src/citra_qt/configuration/configure_camera.cpp

@@ -2,7 +2,6 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include <memory>
 #include <QCameraInfo>
 #include <QDirIterator>
 #include <QFileDialog>
@@ -12,6 +11,8 @@
 #include "citra_qt/configuration/configure_camera.h"
 #include "citra_qt/uisettings.h"
 #include "core/core.h"
+#include "core/frontend/camera/factory.h"
+#include "core/frontend/camera/interface.h"
 #include "core/settings.h"
 #include "ui_configure_camera.h"
 

src/citra_qt/configuration/configure_camera.h

@@ -4,8 +4,13 @@
 
 #pragma once
 
-#include "core/frontend/camera/factory.h"
-#include "core/frontend/camera/interface.h"
+#include <memory>
+#include <array>
+#include <string>
+
+namespace Camera {
+class CameraInterface;
+}
 
 namespace Ui {
 class ConfigureCamera;