draft windows arm support

lib/pch.hpp

@@ -38,3 +38,11 @@
 #include <thread>
 #include <unordered_map>
 #include <vector>
+
+// ARM64 libobs pulls in windows.h, whose macros collide with our identifiers
+#ifdef _WIN32
+#undef DELETE
+#undef DispatchMessage
+#undef SendMessage
+#undef GetObject
+#endif

lib/win/advanced-scene-switcher-win.cpp

@@ -2,6 +2,7 @@
 #include "plugin-state-helpers.hpp"
 
 #include <windows.h>
+#include <objbase.h>
 #include <UIAutomation.h>
 #include <util/platform.h>
 #include <TlHelp32.h>