Commit b4b79ac3dbca9088539a10d8d65bfc06504c3c2e

schu 2012-02-15T00:12:53

commit: actually allow yet to be born update_ref git_commit_create is supposed to update the given reference "update_ref", but segfaulted in case of a yet to be born reference. Fix it. Signed-off-by: schu <schu-github@schulog.org>