Revert previous one. It has already fixed in net.h,v 1.25.

sys/lib/libsa/net.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: net.c,v 1.33 2009/01/31 04:11:28 isaki Exp $	*/
+/*	$NetBSD: net.c,v 1.34 2009/01/31 06:22:46 isaki Exp $	*/
 
 /*
  * Copyright (c) 1992 Regents of the University of California.
@@ -55,8 +55,6 @@
 #include <netinet/in_systm.h>
 #include <netinet/ip.h>
 
-#include "net.h"
-
 #ifdef _STANDALONE
 #include "stand.h"
 #define delay()
@@ -69,6 +67,7 @@
 #define getsecs() time(NULL)
 #endif
 
+#include "net.h"
 
 /*
  * Send a packet and wait for a reply, with exponential backoff.