autojump: upgraded package to upstream

Upgraded app-shells/autojump to version 21.6.9 on amd64

BUG=none
TEST=`USE=bash-completion emerge autojump` make sure it works in chroot

Change-Id: I9be1b92e8a53736ce73f7e66fa79aac00e98285f
Reviewed-on: https://chromium-review.googlesource.com/229535
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Wei-Ning Huang <wnhuang@chromium.org>
Commit-Queue: Wei-Ning Huang <wnhuang@chromium.org>
5 files changed