[SLIMDETOURS] Use ReactOS NDK when build with ReactOS

Source/SlimDetours/SlimDetours.inl

@@ -1,7 +1,32 @@
 #pragma once
 
+#ifndef __REACTOS__
+
+/* Use KNSoft.NDK by default */
 #include <KNSoft/NDK/NDK.h>
 
+#else
+
+/* Use ReactOS NDK with addendum on ReactOS */
+
+#include "NDK_Addendum.h"
+
+#define WIN32_NO_STATUS
+#include <windef.h>
+#include <winbase.h>
+
+#define NTOS_MODE_USER
+#include <ndk/exfuncs.h>
+#include <ndk/obfuncs.h>
+#include <ndk/mmfuncs.h>
+#include <ndk/kefuncs.h>
+#include <ndk/psfuncs.h>
+#include <ndk/rtlfuncs.h>
+
+#include <suppress.h>
+
+#endif
+
 #include "SlimDetours.h"
 
 #if _DEBUG