[src/trunk]: src/sys/netinet6 remove unnecessary extern declaration.

[knakahara <knakahara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a49d370be317
branches:  trunk
changeset: 819464:a49d370be317
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Tue Dec 06 08:58:16 2016 +0000

description:
remove unnecessary extern declaration.

inetsw has been declared since r1.1, however sctp6_usrreq.c can be built
without the declaration. It must be removed.

diffstat:

 sys/netinet6/sctp6_usrreq.c |  6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diffs (28 lines):

diff -r 3b1fbe462876 -r a49d370be317 sys/netinet6/sctp6_usrreq.c
--- a/sys/netinet6/sctp6_usrreq.c       Tue Dec 06 08:21:47 2016 +0000
+++ b/sys/netinet6/sctp6_usrreq.c       Tue Dec 06 08:58:16 2016 +0000
@@ -1,5 +1,5 @@
 /* $KAME: sctp6_usrreq.c,v 1.38 2005/08/24 08:08:56 suz Exp $ */
-/* $NetBSD: sctp6_usrreq.c,v 1.9 2016/11/18 06:50:04 knakahara Exp $ */
+/* $NetBSD: sctp6_usrreq.c,v 1.10 2016/12/06 08:58:16 knakahara Exp $ */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc.
@@ -33,7 +33,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sctp6_usrreq.c,v 1.9 2016/11/18 06:50:04 knakahara Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sctp6_usrreq.c,v 1.10 2016/12/06 08:58:16 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -92,8 +92,6 @@
 
 #include <net/net_osdep.h>
 
-extern struct protosw inetsw[];
-
 #if defined(HAVE_NRL_INPCB) || defined(__FreeBSD__)
 #ifndef in6pcb
 #define in6pcb         inpcb