[m-rev.] diff: Use nested submodules to include boehm_gc/libatomic_ops

[Paul Bone]

On Mon, Oct 19, 2015 at 04:45:59PM +1100, Paul Bone wrote:
> Use nested submodules to include boehm_gc/libatomic_ops
> 
> Feedback of the upgrade of Boehm GC indicated that including the
> libatomic_ops submodule in the top-level was inconvenient, and I agree.
> This change, along with a corresponding change to the boehm_gc repository,
> will instead included it as a nested submodule of boehm_gc.

If you're having trouble updating an existing workspace (git isn't the
friendliest software ever) the following will reset your submodules.

    $ git submodule deinit -f .
    $ rm -rf libatomic_ops
    $ ./prepare.sh

You will loose any unsaved changes in libatomic_ops and boehm_gc
directories.

-- 
Paul Bone