devcon-headers.patch

--- a/devcon/devcon.h	2019-06-03 14:22:03.877961651 +0000
+++ b/devcon/devcon.h	2019-06-03 14:24:30.107298705 +0000
@@ -27,6 +27,9 @@
 #include <strsafe.h>
 #include <io.h>
 #include <fcntl.h>
+#ifdef __MINGW__
+#include <driverspecs.h>
+#endif
 
 #include "msg.h"
 #include "rc_ids.h"