[gnote] mention the removal of lixml++

[Hubert Figuière <hub src gnome org>]

commit 69d70572cd0ff67bb83e4165b0a6774396b787e1
Author: Hubert Figuiere <hub figuiere net>
Date:   Thu May 28 15:39:19 2009 -0400

    mention the removal of lixml++
---
 README |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/README b/README
index 712a1d8..230ef08 100644
--- a/README
+++ b/README
@@ -14,7 +14,7 @@ See the INSTALL file.
 Dependencies:
 - Gtkmm 2.12 minimum (Gtkmm 2.14 recommended)
 - Gtk+ 2.12.
-- Libxml++ 2.6 or later (2.26 recommended)
+- libxml2
 - libxslt
 - libuuid
 - boost 1.34