s3: smbclient: In order to get shadow copy data over SMB1 we must call cli_shadow_cop...

s3: smbclient: In order to get shadow copy data over SMB1 we must call cli_shadow_copy_data() twice.

Once with 'get_names = false' to get the size, then again with 'get_names = true'
to get the data or a Windows server fails to return valid info. Samba doesn't have this bug.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=12165

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Fri Aug 19 23:59:35 CEST 2016 on sn-devel-144