[parrot/parrot] 3c2cdf: localized a var and consted some args

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/parrot/parrot
  Commit: 3c2cdf67736be26e83d8a82ff9fb7bf386188c49
      https://github.com/parrot/parrot/commit/3c2cdf67736be26e83d8a82ff9fb7bf386188c49
  Author: Andy Lester <andy at petdance.com>
  Date:   2012-02-20 (Mon, 20 Feb 2012)

  Changed paths:
    M src/pmc/unmanagedstruct.pmc

  Log Message:
  -----------
  localized a var and consted some args