kerberos address, deal with that.
Based on bug report from Jakob Schlyter <jakob@rfc.se>.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14327 ec53bebd-3082-4978-b11e-865c3cabbd6b
and then extended by me to support all other operations. Tested with
MIT kerberos cc cache implementation on MacOS 10.3.3
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14092 ec53bebd-3082-4978-b11e-865c3cabbd6b