fix bug in setup.py introduced in r1508.

The 'console' argument is expected to be a list of strings,
but was changed to just a string.

setup.py

@@ -75,7 +75,7 b' try:'
     py2exe_opts = {}
     if py2exe_for_demandload is not None:
         cmdclass['py2exe'] = py2exe_for_demandload
-        py2exe_opts['console'] = 'hg'
+        py2exe_opts['console'] = ['hg']
     setup(name='mercurial',
           version=mercurial.version.get_version(),
           author='Matt Mackall',