rate: change doc for ReserveN to reflect its signature

Change-Id: I97299d5a90b4273f42cb992bcf05b3c4786a2ac7
Reviewed-on: https://go-review.googlesource.com/32239
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
1 file changed
tree: 8f3022fd5c0ffb22f6d5e3a93155c57a1fdc75d8
  1. AUTHORS
  2. CONTRIBUTING.md
  3. CONTRIBUTORS
  4. LICENSE
  5. PATENTS
  6. README
  7. rate/