Fix linking due to Screen.cpp missing

src/CMakeLists.txt

@@ -82,6 +82,7 @@ set(KDDW_BACKEND_SRCS
     Action.h
     Window.cpp
     Window.h
+    Screen.cpp
     View.cpp
     View.h
     ViewGuard.cpp

src/Screen.cpp

@@ -0,0 +1,16 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019-2022 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Waqar Ahmed <waqar.ahmed@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "Screen.h"
+
+using namespace KDDockWidgets;
+
+Screen::~Screen() = default;