[gnome-sdk-images] Fix repo commit subject

[Alexander Larsson <alexl src gnome org>]

commit 7e56fae0cc17253588b23360f809701111b5dd1d
Author: Alexander Larsson <alexl redhat com>
Date:   Tue Feb 9 18:53:40 2016 +0100

    Fix repo commit subject

 Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile b/Makefile
index 40c0040..b9931f6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 all: repo org.gnome.Sdk.json
        rm -rf sdk
-       xdg-app-builder --ccache --require-changes --repo=repo --subject="build of org.freedesktop.Sdk, 
`date`" ${EXPORT_ARGS} sdk org.gnome.Sdk.json
+       xdg-app-builder --ccache --require-changes --repo=repo --subject="build of org.gnome.Sdk, `date`" 
${EXPORT_ARGS} sdk org.gnome.Sdk.json
 
 repo:
        ostree  init --mode=archive-z2 --repo=repo