wintun: Introduce new package for obscuring Windows bits

tun/wintun/setupapi/mksyscall.go

@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package setupapi
+
+//go:generate go run $GOROOT/src/syscall/mksyscall_windows.go -output zsetupapi_windows.go setupapi_windows.go