[gnome-sdk-images] Update to latest freedesktop base

[Alexander Larsson <alexl src gnome org>]

commit 6631fde12a15a8ddbbc6dade3888cdabf6a977c3
Author: Alexander Larsson <alexl redhat com>
Date:   Thu Nov 12 15:12:23 2015 +0100

    Update to latest freedesktop base

 Makefile               |    2 +-
 freedesktop-sdk-images |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Makefile b/Makefile
index 4293fc0..1dff432 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ ID=org.gnome
 VERSION=3.18
 ARCH=x86_64
 IMAGEDIR=freedesktop-sdk-base/images/$(ARCH)
-BASE_HASH=6ddfdff1163c31dd806c889e47e795d6c8b593bb
+BASE_HASH=701f40b27753a57f2486da3a55176181d161f272
 
 EXTRA_NAME=
 DELTAS=
diff --git a/freedesktop-sdk-images b/freedesktop-sdk-images
index 0a7ec23..78cb46d 160000
--- a/freedesktop-sdk-images
+++ b/freedesktop-sdk-images
@@ -1 +1 @@
-Subproject commit 0a7ec234203c7babcb6e1028959f12265fb70d7f
+Subproject commit 78cb46d661fc9ffd7099ee3e2b8ae26d44d1333b