Update iftop to commit 77901c8c53e01359d83b8090aacfe62214658183
git log --pretty=oneline --abbrev-commit 949ed0f7..77901c8c
77901c8 Support scales beyond 1Gbps
Created with the help of the make-package-update-commit.sh script.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
(cherry picked from commit cfd0748497c5c27c6d0f80b0ad3698ffe4428352)