Match PSDK STATUS_* definitions.
diff --git a/server/window.c b/server/window.c
index ea19663..bc6c208 100644
--- a/server/window.c
+++ b/server/window.c
@@ -24,10 +24,13 @@
 #include <assert.h>
 #include <stdarg.h>
 
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"
 #include "winuser.h"
+#include "winternl.h"
 
 #include "object.h"
 #include "request.h"