Test the effect of an earlier change by f7835a2 (preserve mtime of local
clone, 2009-09-12) to keep stale loose object files stale in the new
repository when a local clone is made by copying files in .git/
directory.
Signed-off-by: Clemens Buchacher <drizzd@aon.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>