Add $ to end of machine account uid

[Cody Jarrett <cody.jarrett@itfreedom.com>]

I need machines to be able to authenticate so that when a user who has 
never logged onto a computer can, by the machine have an active network 
connection and pulling the credentials from the samba-ldap domain. I 
have a realm setup to strip the domain/ part of the username which works 
fine, but I need to figure out how to add a $ at the end of anything 
that tries to connect as uid=host/computername. I'm sure I can figure 
out how to strip the host prefix, but can't quit figure out how to add 
the $ to the end. Thanks.

--
Cody Jarrett
IT Freedom
cody.jarrett@itfreedom.com 
Office: 512.419.0070
Fax: 512.419.0080