libxml update

Security concerns mentioned here:

http://mail.gnome.org/archives/xml/2004-February/msg00070.html

This survived some basic testing locally:

Index: Makefile
===================================================================
RCS file: /cvs/ports/textproc/libxml/Makefile,v
retrieving revision 1.74
diff -u -r1.74 Makefile
--- Makefile    6 Feb 2004 04:44:12 -0000       1.74
+++ Makefile    26 Feb 2004 18:54:27 -0000
@@ -2,7 +2,7 @@
 
 COMMENT=               "XML parsing library"
 
-VERSION=               2.6.5
+VERSION=               2.6.7
 DISTNAME=              libxml2-${VERSION}
 PKGNAME=               libxml-${VERSION}
 CATEGORIES=            textproc
Index: distinfo
===================================================================
RCS file: /cvs/ports/textproc/libxml/distinfo,v
retrieving revision 1.25
diff -u -r1.25 distinfo
--- distinfo    6 Feb 2004 04:44:12 -0000       1.25
+++ distinfo    26 Feb 2004 18:54:27 -0000
@@ -1,3 +1,3 @@
-MD5 (libxml2-2.6.5.tar.gz) = 0ac5dd9902c9bf20f7bc50de1034d49f
-RMD160 (libxml2-2.6.5.tar.gz) = 9a385c97db24d45c937dc44bf1b4ec95f2ff0ad7
-SHA1 (libxml2-2.6.5.tar.gz) = 7210835231496e553031b3228c4d1d03347c855f
+MD5 (libxml2-2.6.7.tar.gz) = fe6f3f74c0834126706d5b51aa366538
+RMD160 (libxml2-2.6.7.tar.gz) = 8488b17772c73a1ec4a165e01b8717a706b02c9d
+SHA1 (libxml2-2.6.7.tar.gz) = 75804b3e4ebbf9fb059fab0d6a11292a58615b7c
Index: pkg/PFRAG.shared
===================================================================
RCS file: /cvs/ports/textproc/libxml/pkg/PFRAG.shared,v
retrieving revision 1.47
diff -u -r1.47 PFRAG.shared
--- pkg/PFRAG.shared    6 Feb 2004 04:44:14 -0000       1.47
+++ pkg/PFRAG.shared    26 Feb 2004 18:54:27 -0000
@@ -1,3 +1,3 @@
 @comment $OpenBSD: PFRAG.shared,v 1.47 2004/02/06 04:44:14 kevlo Exp $
-lib/libxml2.so.8.5
+lib/libxml2.so.8.7
 DYNLIBDIR(%D/lib)