[conformal/btcchain] e2dba2: Update for recent btcdb API changes.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcchain
  Commit: e2dba2a07490cf10a317c96cdaa58d1f3ed2bb88
      
https://github.com/conformal/btcchain/commit/e2dba2a07490cf10a317c96cdaa58d1f3ed2bb88
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-01-19 (Sun, 19 Jan 2014)

  Changed paths:
    M common_test.go

  Log Message:
  -----------
  Update for recent btcdb API changes.