[conformal/btcjson] 39d758: Fix TravisCI build for Go release version.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: 39d758c2c39841e32a6d34e77840485bf07aea08
      
https://github.com/conformal/btcjson/commit/39d758c2c39841e32a6d34e77840485bf07aea08
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-06 (Tue, 06 Jan 2015)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Fix TravisCI build for Go release version.