Moved all the content of the DDK files ntdef.h and ntddk.h to
winternl.h.

diff --git a/misc/version.c b/misc/version.c
index 362c8d6..9691749 100644
--- a/misc/version.c
+++ b/misc/version.c
@@ -32,7 +32,7 @@
 #include "winreg.h"
 #include "wingdi.h"
 #include "winuser.h"
-#include "ntddk.h"
+#include "winternl.h"
 #include "wine/winbase16.h"
 #include "module.h"
 #include "wine/debug.h"