completion: complete show-branch "--date-order"
completion: complete show-branch "--date-order"

Signed-off-by: Paul Wagland <a027184a55211cd23e3f3094f1fdc728df5e0500@kungfoocoder.org>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git