[Samba] logon script fails under 2.2.8

[rkpho at hotmail.com]

After I upgrade from 2.2.7a to 2.2.8, my logon script (a binary .exe which
calls the "net use" commands) is not executed after logon (from Win98
clients). "net use" reports that \\server\netlogon is in use. What'd gone
wrong ?