Try setting HOME env.var to fix test on Win32

Lib/distutils/tests/test_dist.py

@@ -213,7 +213,7 @@ class MetadataTestCase(unittest.TestCase):
             # win32-style
             if sys.platform == 'win32':
                 # home drive should be found
-                os.environ['HOMEPATH'] = curdir
+                os.environ['HOME'] = curdir
                 files = dist.find_config_files()
                 self.assert_(user_filename in files,
                              '%r not found in %r' % (user_filename, files))