git-name-rev.txt: document --no-undefined and --always
git-name-rev.txt: document --no-undefined and --always

Signed-off-by: Stephan Beyer <91ae524ae0f8ec8b44ccc7474652ac48e9556db7@gmx.net>
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