Try to fix appveyour build problem

githubuser0xFFFF · githubuser0xFFFF · commit ccf8ea9d1e03 · 2020-05-27T15:26:36.000+02:00
diff --git a/src/FloatingDockContainer.cpp b/src/FloatingDockContainer.cpp
@@ -48,6 +48,9 @@
 
 #ifdef Q_OS_WIN
 #include <windows.h>
+#ifdef _MSC_VER
+#pragma comment(lib, "User32.lib")
+#endif
 #endif
 #ifdef Q_OS_LINUX
 #include "linux/FloatingWidgetTitleBar.h"
