(get_xsockets): Try to chmod dirname(`X_UNIX_PATH')
(get_xsockets): Turn on TCP_NODELAY on TCP connections.
(create_and_write_cookie, suspicious_address): Moved here
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@846 ec53bebd-3082-4978-b11e-865c3cabbd6b