[macruby-changes] [MacRuby/MacRuby] b6b77a: fix a build error in clang 3.2

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/MacRuby/MacRuby
  Commit: b6b77a63f05f8824dc8a0a106ceafd94ac5acf1c
      https://github.com/MacRuby/MacRuby/commit/b6b77a63f05f8824dc8a0a106ceafd94ac5acf1c
  Author: Watson <watson1978 at gmail.com>
  Date:   2012-12-25 (Tue, 25 Dec 2012)

  Changed paths:
    M gc-stub.m
    M vm.h

  Log Message:
  -----------
  fix a build error in clang 3.2