``A caller may provide the value NULL (GSS_C_NO_NAME) for
desired_name, which will be interpreted as a request for a
credential handle that will invoke default behavior when passed
to GSS_Init_sec_context(), if cred_usage is GSS_C_INITIATE
or GSS_C_BOTH, or GSS_Accept_sec_context(), if cred_usage is
GSS_C_ACCEPT or GSS_C_BOTH.''
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11155 ec53bebd-3082-4978-b11e-865c3cabbd6b
