[gnome-sdk-images] Rev to latest freedesktop image

[Alexander Larsson <alexl src gnome org>]

commit 20e1594dc29d323ae3202b9766fb6352a80d119b
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Sep 24 08:34:35 2015 +0200

    Rev to latest freedesktop image

 freedesktop-sdk-images |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/freedesktop-sdk-images b/freedesktop-sdk-images
index 0098dd6..ae02628 160000
--- a/freedesktop-sdk-images
+++ b/freedesktop-sdk-images
@@ -1 +1 @@
-Subproject commit 0098dd6bf3e0f71c2368314506d76b297231b1f5
+Subproject commit ae02628ca4ac62568568fc9bc50c1f2393608045