some people tries to add the string "arcfour-hmac-md5" when they really should have used "arcfour-hmac-md5:pw-salt", help them and add glue for that git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14152 ec53bebd-3082-4978-b11e-865c3cabbd6b