[gnome-ostree] manifest: Tag systemd until we have btrfs headers

[Colin Walters <walters src gnome org>]

commit 0994ffb8da79681cb3b962db9facbc611d32bec2
Author: Colin Walters <walters verbum org>
Date:   Tue Aug 13 11:39:40 2013 +0200

    manifest: Tag systemd until we have btrfs headers

 manifest.json |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index d11c0cd..38734ac 100644
--- a/manifest.json
+++ b/manifest.json
@@ -93,6 +93,7 @@
                 "config-opts": ["--enable-vapigen"]},
 
                {"src": "git:git://anongit.freedesktop.org/systemd/systemd",
+                "tag": "631c922c68ec1fc5c34077c1d95b76eff38e1608",
                 "config-opts": ["--disable-manpages",
                                 "--with-sysvinit-path=",
                                 "--with-sysvrcnd-path="]},