The correct name in git-send-email.perl is aliasfiletype [1]. There are
actually two instances of this misspelling. The other was found and
fixed in 6068ac8848 (completion: add missing configuration variables -
2010-12-20)
[1] 994d6c66d3 (send-email: address expansion for common mailers - 2006-05-14)
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>