[gnome-ostree] Revert "manifest: Resume tracking systemd git master"

[Colin Walters <walters src gnome org>]

commit fa24adc30c1bd5a0b81885ccf6541b54abde1b25
Author: Colin Walters <walters verbum org>
Date:   Sat Jul 13 11:41:49 2013 -0400

    Revert "manifest: Resume tracking systemd git master"
    
    This reverts commit 7026cde6926a3e99aa0d0e8b1f1414de35c7f659.
    
    Getting undefined symbols again; may be a toolchain issue.

 manifest.json |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index d336c90..a01c0be 100644
--- a/manifest.json
+++ b/manifest.json
@@ -95,6 +95,7 @@
                 "config-opts": ["--enable-vapigen"]},
 
                {"src": "git:git://anongit.freedesktop.org/systemd/systemd",
+                "tag": "abb26902e424c4142b68ead35676028b12249b77",
                 "config-opts": ["--disable-manpages",
                                 "--with-sysvinit-path=",
                                 "--with-sysvrcnd-path="]},