Adding --help after ccs commands expecting more arguments can cause a traceback.

ccs-0.16.2-33.el6

reliably reproducible for some commands

north-14 is a member of a cluster in this example:

-(~:$)-> ccs -h north-14 --addresource --help
Traceback (most recent call last):
  File "/usr/sbin/ccs", line 1932, in <module>
    main(sys.argv[1:])
  File "/usr/sbin/ccs", line 260, in main
    if (addresource): add_resource(name, options)
  File "/usr/sbin/ccs", line 1349, in add_resource
    set_cluster_conf(dom.toxml())
  File "/usr/sbin/ccs", line 1738, in set_cluster_conf
    dom = minidom.parseString(xml)
  File "/usr/lib64/python2.6/site-packages/_xmlplus/dom/minidom.py", line 1925, in parseString
    return expatbuilder.parseString(string)
  File "/usr/lib64/python2.6/site-packages/_xmlplus/dom/expatbuilder.py", line 942, in parseString
    return builder.parseString(string)
  File "/usr/lib64/python2.6/site-packages/_xmlplus/dom/expatbuilder.py", line 223, in parseString
    parser.Parse(string, True)
xml.parsers.expat.ExpatError: not well-formed (invalid token): line 13, column 12


Expected results:
Error message or usage text