[gtk+] configure.ac: Bump gdk-pixbuf required version

[Javier JardÃn <jjardon src gnome org>]

commit 8afe90224b05ad2cd0e1f836634247683c3040b4
Author: Javier JardÃn <jjardon gnome org>
Date:   Fri Aug 12 20:01:22 2011 +0100

    configure.ac: Bump gdk-pixbuf required version
    
    gdk-pixbuf 2.22.0 relies on G_CONST_RETURN which is deprecated by now.
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=656421

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0f4386c..8fee1a8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,7 +43,7 @@ m4_define([glib_required_version], [2.29.14])
 m4_define([pango_required_version], [1.29.0])
 m4_define([atk_required_version], [1.30])
 m4_define([cairo_required_version], [1.10.0])
-m4_define([gdk_pixbuf_required_version], [2.22.0])
+m4_define([gdk_pixbuf_required_version], [2.23.5])
 m4_define([introspection_required_version], [0.10.1])
 GLIB_REQUIRED_VERSION=glib_required_version
 PANGO_REQUIRED_VERSION=pango_required_version