tree 99c85c22da0ba3431c94669f7f331e8134968cb4
parent f03afa92d3ffad9e5ff762aa549908afe674f01e
author Nigel Tao <nigeltao@golang.org> 1560564768 +1000
committer Nigel Tao <nigeltao@golang.org> 1560678056 +0000

go.mod: add go language version

The go tool kept inserting "go 1.13" so I'm adding an explicit line so
it stops modifying my local files when I'm working on other changes.

Change-Id: Ib430e058d2551d8e3746f32bf8ffbdb2fb74c330
Reviewed-on: https://go-review.googlesource.com/c/image/+/182220
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>