hgext3rd/__init__.py

bdiff: include util.h

Without this, IS_PY3K isn't define and the preprocessor uses the
incorrect module loading code, causing the module fail to load at
run-time.

After this patch, all our C extensions (except for watchman's) appear
to import correctly in Python 3!

# name space package to host third party extensions
from __future__ import absolute_import
import pkgutil
__path__ = pkgutil.extend_path(__path__, __name__)