[btcsuite/btcscript] d7dbe2: Fix test error verbs found by go vet in the tests.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcscript
  Commit: d7dbe25d9713a39f59980094ee20aff050f39f6b
      
https://github.com/btcsuite/btcscript/commit/d7dbe25d9713a39f59980094ee20aff050f39f6b
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-01-29 (Thu, 29 Jan 2015)

  Changed paths:
    M script_test.go
    M scriptbuilder_test.go

  Log Message:
  -----------
  Fix test error verbs found by go vet in the tests.