[evolution] Require GtkHtml 3.31.2 for new API in bug #220672.

[Matthew Barnes <mbarnes src gnome org>]

commit a53abe730b9e0d491ae92586862336b226d297bf
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed May 19 18:17:06 2010 -0400

    Require GtkHtml 3.31.2 for new API in bug #220672.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 285ee90..35ce26a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,7 +40,7 @@ m4_define([gtk_minimum_version], [2.20.0])
 m4_define([eds_minimum_version], [evo_version])
 m4_define([gnome_icon_theme_minimum_version], [2.19.91])
 m4_define([gnome_desktop_minimum_version], [2.26.0])
-m4_define([libgtkhtml_minimum_version], [3.29.6])
+m4_define([libgtkhtml_minimum_version], [3.31.2])
 m4_define([gconf_minimum_version], [2.0.0])		dnl XXX Just a Guess
 m4_define([libsoup_minimum_version], [2.4.0])		dnl XXX Just a Guess
 m4_define([libgnomecanvas_minimum_version], [2.0.0])	dnl XXX Just a Guess