help2man: upgraded package to upstream

Upgraded sys-apps/help2man to version 1.46.6 on amd64, arm, x86

BUG=chromium:710112
TEST=cbuildbot --remote -g 506617 amd64-generic-no-vmtest-pre-cq x86-generic-no-vmtest-pre-cq arm-generic-pre-cq

Change-Id: Id7bdda7f935cf10535a63c95075a0d91966269ba
Reviewed-on: https://chromium-review.googlesource.com/506617
Commit-Ready: C Shapiro <shapiroc@google.com>
Tested-by: C Shapiro <shapiroc@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
8 files changed