[gnome-sdk-images] Update freedesktop-sdk-images rev

[Alexander Larsson <alexl src gnome org>]

commit ecb1d25b9c4952f6cb7ee2ac068f6d0e345edb78
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Sep 11 11:25:24 2015 +0200

    Update freedesktop-sdk-images rev

 freedesktop-sdk-images |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/freedesktop-sdk-images b/freedesktop-sdk-images
index e670ee2..c5cd6f3 160000
--- a/freedesktop-sdk-images
+++ b/freedesktop-sdk-images
@@ -1 +1 @@
-Subproject commit e670ee272f142cb772786a9073ddb51f0f351d71
+Subproject commit c5cd6f368ead07ddd5ef6e72bc05982de4c6900c