go.empty: add PATENTS file to the subrepo.

R=r
CC=golang-dev
https://golang.org/cl/6026043
1 file changed
tree: a862da3e131e2eda88fee3fd28055ab7aeb0f785
  1. .hgignore
  2. AUTHORS
  3. CONTRIBUTORS
  4. LICENSE
  5. PATENTS
  6. README
  7. codereview.cfg