fix: check for unix and macos change windows.h

Author: tzobler

src/plugins/simulator/msfs2024/simconnectwindowsmsfs2024.h

@@ -16,7 +16,7 @@
 #undef interface
 
 // clang-format off
-#include <windows.h>
+#include <Windows.h>
 //#include <SimConnect.h>
 #include "../third_party/externals/common/include/simconnect/MSFS2024/SimConnect.h"
 // clang-format on