[vinagre] Downgrade libxml2 require version to 2.6.31. Closes #590128

[Halton Huo <haltonhuo src gnome org>]

commit 9f2149bcc7958ccb5a7da5cdac2788e3fbff116f
Author: Halton Huo <halton huo sun com>
Date:   Thu Jul 30 07:15:20 2009 +0800

    Downgrade libxml2 require version to 2.6.31. Closes #590128

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 25c3370..aa6dfd9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,7 +45,7 @@ GTK_VNC_REQUIRED=0.3.8
 AVAHI_REQUIRED=0.6.22
 PANEL_REQUIRED_VERSION=2.0.0
 TELEPATHY_GLIB_REQUIRED=0.7.31
-XML_REQUIRED=2.6.32
+XML_REQUIRED=2.6.31
 
 # Check for avahi
 AC_ARG_ENABLE(avahi,