fallback to `admin_server'. This will wind up returning address
info with SOCK_STREAM type, which will cause the password change to
mysteriously fail (since kpasswd is UDP only).
Hack around the problem by explicitly requesting UDP when we
fallback to `admin_server'.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11105 ec53bebd-3082-4978-b11e-865c3cabbd6b