smem: update to current upstream

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
smem: adjust commandline display to window size

Patch is courtesy David Gardner <somloieater@gmail.com> via
http://selenic.com/pipermail/smem/2012-July/000138.html.

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
fish: alias smem to smem -k

Signed-off-by: Christopher Larson <chris_larson@mentor.com>