Make sure data after the header is aligned, so that this works on

systems with strict alignment constraints.
kern/12356, Feico Dillema <feico@pasta.cs.uit.no>.

sys/dev/ic/an.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: an.c,v 1.10 2000/12/21 15:37:18 onoe Exp $	*/
+/*	$NetBSD: an.c,v 1.11 2001/03/08 16:33:43 thorpej Exp $	*/
 /*
  * Copyright (c) 1997, 1998, 1999
  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
@@ -403,6 +403,10 @@ static void an_rxeof(sc)
 
 	m->m_pkthdr.rcvif = ifp;
 
+	/* Align the data after the ethernet header */
+	m->m_data = (caddr_t) ALIGN(m->m_data + sizeof(struct ether_header)) -
+	    sizeof(struct ether_header);
+
 	eh = mtod(m, struct ether_header *);
 
 #ifdef ANCACHE