[conformal/btcec] ab14c3: Add benchmark for signature verifies.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcec
  Commit: ab14c30fe12c9b27f0b5dad1ed2a5c619ff21887
      
https://github.com/conformal/btcec/commit/ab14c30fe12c9b27f0b5dad1ed2a5c619ff21887
  Author: Dave Collins <da...@conformal.com>
  Date:   2013-12-23 (Mon, 23 Dec 2013)

  Changed paths:
    M bench_test.go

  Log Message:
  -----------
  Add benchmark for signature verifies.