[gnome-sdk-images] Fix make commit

[Alexander Larsson <alexl src gnome org>]

commit ced45e73dff3c7430cfdf2b2d1598de8c6ed029c
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Mar 27 15:12:06 2015 +0100

    Fix make commit

 Makefile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile b/Makefile
index 31e3cc4..bd272ce 100644
--- a/Makefile
+++ b/Makefile
@@ -128,7 +128,7 @@ gnome-platform.tar.gz gnome-platform-rpmdb.tar.gz: gnome-platform-packages $(NOA
        tar --transform 's,^build/var,files,S' -czf gnome-platform-rpmdb.tar.gz build/var/lib/rpm --owner=root
        ./clear_root.sh
 
-repository:
+repo:
        ostree  init --mode=archive-z2 --repo=repo
 
 commit-freedesktop-platform: repo freedesktop-platform.tar.gz  freedesktop-platform-rpmdb.tar.gz