[conformal/btcgui] a2a1e2: Fix issues found by golint.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcgui
  Commit: a2a1e24f684c23aa1ed58aebf727419558721ed6
      
https://github.com/conformal/btcgui/commit/a2a1e24f684c23aa1ed58aebf727419558721ed6
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2013-10-15 (Tue, 15 Oct 2013)

  Changed paths:
    M main.go
    M updates.go

  Log Message:
  -----------
  Fix issues found by golint.