[gtk+] configure: Bump required Cairo version to 1.9.10

[Benjamin Otte <otte src gnome org>]

commit 95a1c31c18adfe776ab46f3b13b233e445c137fb
Author: Benjamin Otte <otte redhat com>
Date:   Tue Jun 29 17:05:28 2010 +0200

    configure: Bump required Cairo version to 1.9.10

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 25e5d4e..e9195ac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,7 +34,7 @@ m4_define([gtk_binary_version], [3.0.0])
 m4_define([glib_required_version], [2.25.9])
 m4_define([pango_required_version], [1.20])
 m4_define([atk_required_version], [1.29.2])
-m4_define([cairo_required_version], [1.6])
+m4_define([cairo_required_version], [1.9.10])
 m4_define([gdk_pixbuf_required_version], [2.21.0])