libvncserver: upgraded package to upstream

Upgraded net-libs/libvncserver to version 0.9.13 on amd64

BUG=chromium:1060637
BUG=b:168259048
TEST=emerge-betty-arcvm-master net-libs/libvncserver

Change-Id: I0d7208325174fd7de1bc80c02c1b48c124afec74
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2402998
Reviewed-by: Shao-Chuan Lee <shaochuan@chromium.org>
Commit-Queue: Junichi Uekawa <uekawa@chromium.org>
Tested-by: Junichi Uekawa <uekawa@chromium.org>
7 files changed