[gtk3] update dep versions

[Matthias Clasen]

commit 8a64a42ec5cf20d8492d0540ba87ee0c0c5100ad
Author: Matthias Clasen <mclasen at redhat.com>
Date:   Mon Nov 14 15:57:58 2011 -0500

    update dep versions

 gtk3.spec |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/gtk3.spec b/gtk3.spec
index 750746d..1d37d45 100644
--- a/gtk3.spec
+++ b/gtk3.spec
@@ -1,8 +1,7 @@
-%global glib2_version 2.29.14
-%global pango_version 1.24.0
-%global atk_version 1.30
+%global glib2_version 2.31.0
+%global pango_version 1.29.0
+%global atk_version 2.1.5
 %global cairo_version 1.10.0
-%global libpng_version 2:1.2.2-16
 %global xrandr_version 1.2.99.4-2
 
 %global bin_version 3.0.0