Implement it, like it is described in git-shortlog.
Signed-off-by: NFlorian Mickler <florian@mickler.org>
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>