Merge branch 'js/stash-in-c-use-builtin-doc'

Doc update. * js/stash-in-c-use-builtin-doc: stash: document stash.useBuiltin

Junio C Hamano committed May 19, 2019 at 16:45 UTC 4ecaedec042d8114872dd1912b84f420c8a34ccd

No changes.