[patch] net rpc vampire ldif fixes

[Jim McDonough]

>Here is a little fix for some problems i met while using "net rpc 
>vampire ldif"
>
>- machine accounts have a shell (/bin/bash) and a homedirectory
>- users with no nt home directory will get previous user's nt home 
directory
Thanks!  I'll try to get this in in a few minutes.

----------------------------
Jim McDonough
IBM Linux Technology Center
Samba Team
6 Minuteman Drive
Scarborough, ME 04074
USA

jmcd at us dot ibm dot com 
jmcd at samba dot org

Phone: 1-877-228-1846
IBM tie-line: 349-5335