Add --reverse to the git-rev-list usage string
Add --reverse to the git-rev-list usage string

git-rev-list accepts --reverse, as documented in
the manpage, but the usage string does not list it.

Signed-off-by: Kevin Ballard <ffb4761cba839470133bee36aeb139f58d7dbaa9@sb.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