Add path to numpy headers in setup.py.

from distutils.core import setup, Extension

from glob import glob

from os import path

import numpy

here = path.abspath(path.dirname(__file__))

      ext_modules  = [

          Extension('SharedArray',

                    glob(path.join(here, 'src', '*.c')),

                    libraries = [ 'rt' ])

                    libraries = [ 'rt' ],

                    include_dirs=[numpy.get_include()])

      ])