The manpage was added in 1ed6f2c (Documentation: gitrevisions,
2010-07-05), but since it does not have a corresponding git command,
it needs an exception for check-docs.
Signed-off-by: Thomas Rast <trast@student.ethz.ch> Acked-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>