t / t5100 / info0010on commit receive-pack: do not reuse old_sha1[] for other things (c09b71c)
   1Author: Lukas Sandström
   2Email: lukass@etek.chalmers.se
   3Subject: git-mailinfo: Fix getting the subject from the body
   4Date: Thu, 10 Jul 2008 23:41:33 +0200
   5