Add a new patch to fix a problem in which elvin was trying to use IPv6

on the loopback interface. Bump port revision.

install/ports/libelvin/Makefile

@@ -4,7 +4,7 @@
 
 PORTNAME=	libelvin
 PORTVERSION=	4.0.3
-PORTREVISION=   1
+PORTREVISION=   2
 CATEGORIES=	misc
 
 MAINTAINER=	ricci@cs.utah.edu

install/ports/libelvin/files/patch-tcp_transport.c

+--- src/lib/tcp_transport.c.orig	Mon Nov  8 16:58:37 2004
++++ src/lib/tcp_transport.c	Mon Nov  8 16:58:50 2004
+@@ -621,7 +621,7 @@
+ 
+     /* Look up the host address */
+     memset(&hint, 0, sizeof(hint));
+-    hint.ai_family = AF_UNSPEC;
++    hint.ai_family = PF_INET;
+     hint.ai_socktype = SOCK_STREAM;
+     sprintf(port, "%d", context->port);
+