switch to libtool from src, since it will now be in the snaps.

infrastructure/mk/bsd.port.mk

@@ -1,6 +1,6 @@
 #-*- mode: Makefile; tab-width: 4; -*-
 # ex:ts=4 sw=4 filetype=make:
-#	$OpenBSD: bsd.port.mk,v 1.1178 2012/06/18 12:15:52 espie Exp $
+#	$OpenBSD: bsd.port.mk,v 1.1179 2012/06/19 16:43:47 espie Exp $
 #	$FreeBSD: bsd.port.mk,v 1.264 1996/12/25 02:27:44 imp Exp $
 #	$NetBSD: bsd.port.mk,v 1.62 1998/04/09 12:47:02 hubertf Exp $
 #
@@ -347,7 +347,7 @@ _lt_libs =
 LIBTOOL ?= ${DEPBASE}/bin/libtool
 BUILD_DEPENDS += devel/libtool
 .  else
-LIBTOOL ?= ${PORTSDIR}/infrastructure/bin/libtool
+LIBTOOL ?= /usr/bin/libtool
 MAKE_ENV += PORTSDIR="${PORTSDIR}"
 .  endif
 CONFIGURE_ENV += LIBTOOL="${LIBTOOL} ${LIBTOOL_FLAGS}" ${_lt_libs}