rsync: upgraded package to upstream

Upgraded net-misc/rsync to version 3.1.2-r1 on amd64

Minor tweaks from upstream ebuild:
 - EAPI 6 -> 5
 - Explicity applying the patch in src_prepare

BUG=b:69896276
TEST=`emerge-lakitu rsync`

Change-Id: I141c096956bfcbcf45e5defc65ac2e71316ecf0f
Reviewed-on: https://chromium-review.googlesource.com/797894
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Daniel Wang <wonderfly@google.com>
Commit-Queue: Daniel Wang <wonderfly@google.com>
3 files changed