drivers/input/mouse/psmouse.h:40: error: field `ps2dev' has incomplete type

--- linux-2.6.11.3/drivers/input/mouse/psmouse.h.orig	2005-03-13 07:44:40.000000000 +0100
+++ linux-2.6.11.3/drivers/input/mouse/psmouse.h	2005-03-13 14:08:06.000000000 +0100
@@ -1,6 +1,8 @@
 #ifndef _PSMOUSE_H
 #define _PSMOUSE_H
 
+#include <linux/libps2.h>
+
 #define PSMOUSE_CMD_SETSCALE11	0x00e6
 #define PSMOUSE_CMD_SETSCALE21	0x00e7
 #define PSMOUSE_CMD_SETRES	0x10e8