Fix/force windows builds

Signed-off-by: falkTX <falktx@falktx.com>

include/rack.hpp

@@ -0,0 +1,32 @@
+/*
+ * DISTRHO Cardinal Plugin
+ * Copyright (C) 2021 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 3 of
+ * the License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * For a full copy of the GNU General Public License see the LICENSE file.
+ */
+
+#pragma once
+
+#include_next "rack.hpp"
+
+// If building for Windows, make sure to import the windows header now so we can undef some stuff
+#ifdef _WIN32
+# include <windows.h>
+# undef IN
+# undef OUT
+# undef VOID
+# undef far
+# undef near
+# define ABC ABC_
+# define VOID VOID_
+#endif