send-email: cleanup_compose_files doesn't need a prototype
send-email: cleanup_compose_files doesn't need a prototype

Signed-off-by: Ævar Arnfjörð Bjarmason <f7ec52b0639ad930aaba174f18c5f88adab2e364@gmail.com>
Reviewed-by: Jeff King <696e3fbcf235d40b6ea1ebd61c87cbea79d444e7@peff.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