[conformal/btcscript] fcd73f: Correct log trace for failed script execution.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcscript
  Commit: fcd73f75ea43b79e68eba9c0b111d01dc98e84b4
      
https://github.com/conformal/btcscript/commit/fcd73f75ea43b79e68eba9c0b111d01dc98e84b4
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-02-19 (Wed, 19 Feb 2014)

  Changed paths:
    M script.go

  Log Message:
  -----------
  Correct log trace for failed script execution.

The function needs to be wrapped by a newLogClosure for the logger to be
able to log it.