[conformal/btcutil] fffd6a: Add benchmarks to base58 package.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: fffd6a2e879d5e7fd4fe2aa04087296e6073ec2d
      
https://github.com/conformal/btcutil/commit/fffd6a2e879d5e7fd4fe2aa04087296e6073ec2d
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-12-22 (Mon, 22 Dec 2014)

  Changed paths:
    A base58/base58bench_test.go

  Log Message:
  -----------
  Add benchmarks to base58 package.