tree fcea16fc612824fd7b575f87d909e43dfdfe367a
parent c437a9130dcb43e6df402a034160826e29fd29b8
author Damien Neil <dneil@google.com> 1787703435 -0700
committer Damien Neil <dneil@google.com> 1791848638 -0700

tiff/lzw: avoid hi code overflow

This is the identical fix from CL 42032 (compress/lzw)
applied to the tiff lzw reader.

Fixes golang/go#81125

Change-Id: Ie2b1fbc88608c3d778224c72d19564d16a6a6964
Reviewed-on: https://go-review.googlesource.com/c/image/+/821880
Reviewed-by: Nicholas Husin <nsh@golang.org>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Nicholas Husin <husin@google.com>
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