[gnome-sdk-images] Update fd.o image to get untag fix

[Alexander Larsson <alexl src gnome org>]

commit d7d89f67ebbd26d9c55154bb0b599dcad9624ed7
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Jan 21 13:22:04 2016 +0100

    Update fd.o image to get untag fix

 freedesktop-sdk-images |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/freedesktop-sdk-images b/freedesktop-sdk-images
index 182ebac..abff6b0 160000
--- a/freedesktop-sdk-images
+++ b/freedesktop-sdk-images
@@ -1 +1 @@
-Subproject commit 182ebac6c01d90719444f9a816b07116ffb72192
+Subproject commit abff6b0646445770b664fad0fe3eee131b538d98