darcs patch: prevent error 'call to member function of a non-object'

[Jonathan Daugherty]

# Thu Aug  2 19:29:21 PDT 2007  will at willnorris.com
#   * prevent error 'call to member function of a non-object'
# 
# Auth_OpenID_ServerErrorContainer::fromMessage assumes it is being
# passed an Auth_OpenID_Message object, and doesn't much like the
# empty string.  A null return value is checked for both places
# _makeKVPost is called.

You're right; thanks!  I've applied it.

-- 
  Jonathan Daugherty
  JanRain, Inc.
  irc.freenode.net: cygnus in #openid
  cygnus.myopenid.com