$NetBSD: patch-am,v 1.1 2010/02/16 17:33:39 taca Exp $

deal with CVE-2009-2625.

--- contrib/src/xrc/expat/xmltok/xmltok_impl.c.orig	2003-09-21 11:32:55.000000000 +0000
+++ contrib/src/xrc/expat/xmltok/xmltok_impl.c
@@ -1753,7 +1753,7 @@ void PREFIX(updatePosition)(const ENCODI
 			    const char *end,
 			    POSITION *pos)
 {
-  while (ptr != end) {
+  while (ptr < end) {
     switch (BYTE_TYPE(enc, ptr)) {
 #define LEAD_CASE(n) \
     case BT_LEAD ## n: \