[phobos] automated test failures

[Brad Roberts]

The automated win32 phobos tests started failing at the 22:20 test run.  Linux
is fine still.

The error:
    http://d.puremagic.com/test-results/test_data.ghtml?dataid=5766

    unittest
    object.Error: Privileged Instruction

The changes between this run and the previously successful run:
    http://www.dsource.org/projects/dmd/changeset/689
    http://www.dsource.org/projects/phobos/changeset/2049

Later,
Brad