Test failure on 4.4.0 if chardet is installed

This only occurs if chardet is installed. In this case, Debian python-chardet (2.3.0-1).

FAIL: test_detect_utf8 (bs4.tests.test_soup.TestUnicodeDammit)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/stefanor/bzr/beautifulsoup/bs4/tests/test_soup.py", line 305, in test_detect_utf8
    self.assertEqual(dammit.unicode_markup, u'\xe9')
AssertionError: u'\xc3\xa9' != u'\xe9'
- \xc3\xa9
+ \xe9