s/upstream/downstream/g

Upstream is working fine.

On Sun, Apr 23, 2017 at 5:53 AM, Michael Palimaka <kensington@gentoo.org> wrote:
# Michael Palimaka <kensington@gentoo.org> (23 Apr 2017)
# Doesn't work with any in-tree versions of vim. Inactive upstream.
# Bug 607136. Masked for removal in 30 days.
app-editors/vim-qt