git-send-email: allow an email alias for --from
git-send-email: allow an email alias for --from

Signed-off-by: Michael Hendricks <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@ndrix.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