that tries until it expands into something that's digestable by
krb5_get_host_realm, returning also the result from that function.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7779 ec53bebd-3082-4978-b11e-865c3cabbd6b
addresses returnedby getaddrinfo. glibc apparently returns the
reverse lookup of every address in ai_canonname.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@7761 ec53bebd-3082-4978-b11e-865c3cabbd6b