smbd: SMB3 POSIX Extensions statfs() is broken

smbd: SMB3 POSIX Extensions statfs() is broken

Regression introduced by 55d98b29eb294542cc4947573f233e0d5e6966cb. D'oh!

We'll add a regression test for this soon,
but for now we want to unblocking testing from the linux
client...

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15639

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Sep 19 21:27:07 UTC 2024 on atb-devel-224