gzip: upgraded package to upstream

Upgraded app-arch/gzip to version 1.11 on amd64, arm

BUG=chromium:1277894
TEST=emerge gzip && emerge-amd64-generic gzip && emerge-arm-generic gzip

Change-Id: If23f00ee4254aecfaf958f680caadef318f9e453
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3322534
Tested-by: David Greenaway <dgreenaway@google.com>
Auto-Submit: David Greenaway <dgreenaway@google.com>
Commit-Queue: David Greenaway <dgreenaway@google.com>
Reviewed-by: Sam McNally <sammc@chromium.org>
Commit-Queue: Sam McNally <sammc@chromium.org>
3 files changed