Bug 749092

Description of problem:
cherokee-admin dumps traceback while trying to use it.

Version-Release number of selected component (if applicable):
cherokee-1.2.101-1.fc15.x86_64


How reproducible:
start cherokee-admin as root with the -x and -t flags.

Steps to Reproduce:
1. su -
2. cherokee-admin -x -t
3. <login>
  
Actual results:

# cherokee-admin -x -t
Cherokee Web Server 1.2.101 (Oct 19 2011): Listening on port 127.0.0.1:9090,
TLS disabled, IPv6 enabled, using epoll, 4096 fds system limit, max. 2041
connections, 4 threads, 510 connections per thread, standard scheduling policy

Login:
  User:              admin
  One-time Password: 4faNBadtZM4AWnf5

Web Interface:
  URL:               http://127.0.0.1:9090/

DEBUG: SIGUSR1 invokes the console..
       SIGUSR2 prints a backtrace..
Server 1.2.101 running.. PID=10982 Socket=/tmp/cherokee-admin-scgi.socket
Traceback (most recent call last):
  File "/usr/share/cherokee/admin/CTK/CTK/XMLRPCProxy.py", line 47, in __call__
    raw = util.to_utf8 (xmlrpc_func ())
  File "/usr/lib64/python2.7/xmlrpclib.py", line 1224, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib64/python2.7/xmlrpclib.py", line 1570, in __request
    verbose=self.__verbose
  File "/usr/share/cherokee/admin/XMLServerDigest.py", line 145, in request
    return self._request_internal (host, handler, request_body, verbose)
  File "/usr/share/cherokee/admin/XMLServerDigest.py", line 140, in _request_internal
    return self._parse_response (h.getfile(), sock)
  File "/usr/share/cherokee/admin/XMLServerDigest.py", line 94, in _parse_response
    return u.close()
  File "/usr/lib64/python2.7/xmlrpclib.py", line 793, in close
    raise Fault(**self._stack[0])
Fault: <Fault 1: 'cannot marshal None unless allow_none is enabled'>


Expected results:
clean login