fix t5000-tar-tree.sh when $TAR isn't set

$TAR isn't set everywhere. Provide a default (tar)

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>

---

 t/t5000-tar-tree.sh |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

-
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html