media-libs/tiff: Upstream patch for CVE-2019-7663

Partially fixed by the CVE-2018-12000 patch in
https://crrev.com/c/1574960.  The rest of the fix is from
https://gitlab.com/libtiff/libtiff/merge_requests/60.

Upstream PR sent to Gentoo at https://github.com/gentoo/gentoo/pull/12543

BUG=chromium:956420
TEST=Pre-CQ

Change-Id: I89aabefda29f30f71f8809d286079c4724761807
Reviewed-on: https://chromium-review.googlesource.com/1719000
Tested-by: Benjamin Gordon <bmgordon@chromium.org>
Commit-Ready: Benjamin Gordon <bmgordon@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Sean Kau <skau@chromium.org>
3 files changed