[moses-smt/mosesdecoder] a55a93: remove warning

[GitHub <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/moses-smt/mosesdecoder
  Commit: a55a936182cb54d094d6800b31077877d41cdd17
      https://github.com/moses-smt/mosesdecoder/commit/a55a936182cb54d094d6800b31077877d41cdd17
  Author: Barry Haddow <bar...@gm...>
  Date:   2013-01-08 (Tue, 08 Jan 2013)

  Changed paths:
    M scripts/training/LexicalTranslationModel.pm

  Log Message:
  -----------
  remove warning