[moses-smt/mosesdecoder] be76c6: Old buggy bjam always returns 0. Detect+reject.

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

  Branch: refs/heads/master
  Home:   https://github.com/moses-smt/mosesdecoder
  Commit: be76c67f96aa123ab7dda613f4a3b9f9d1beb329
      https://github.com/moses-smt/mosesdecoder/commit/be76c67f96aa123ab7dda613f4a3b9f9d1beb329
  Author: Kenneth Heafield <gi...@kh...>
  Date:   2012-09-09 (Sun, 09 Sep 2012)

  Changed paths:
    M bjam
    A jam-files/fail/Jamroot

  Log Message:
  -----------
  Old buggy bjam always returns 0.  Detect+reject.
http://boost.2283326.n4.nabble.com/bjam-exit-code-always-zero-td2696668.html