[conformal/btcutil] f6d6cd: Update hdkeychain test coverage report.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcutil
  Commit: f6d6cd5d271f60ba183e0c0ebc36ab1841ea9e21
      
https://github.com/conformal/btcutil/commit/f6d6cd5d271f60ba183e0c0ebc36ab1841ea9e21
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-08-18 (Mon, 18 Aug 2014)

  Changed paths:
    M hdkeychain/test_coverage.txt

  Log Message:
  -----------
  Update hdkeychain test coverage report.