[Samba] Full_Audit preventing file writing

[Fabio Bonilha]

When VFS full_audit is activated the server doesn't allow users to write
changes in any file.

The log vfs:10 shows:

Jan 12 22:22:00 loginserver smbd_audit:
aaaa.bbbb|192.168.23.10|get_real_filename|fail (Operation not 
supported)|/Novo
Documento de Texto.txt->(null)
Jan 12 22:22:00 loginserver smbd_audit: 
aaaa.bbbb|192.168.23.10|fchmod_acl|fail
(No data available)|Novo Documento de Texto.txt|100764