--- lib/direct/serial.h.orig	2009-02-11 05:40:20.000000000 +0000
+++ lib/direct/serial.h	2009-02-11 05:40:44.000000000 +0000
@@ -31,6 +31,7 @@
 
 #include <direct/types.h>
 #include <direct/debug.h>
+#include <linux/types.h>
 
 struct __D_DirectSerial {
      int   magic;