libsmbclient: If over SMB1 first try to do a posix stat on the file.

libsmbclient: If over SMB1 first try to do a posix stat on the file.

Disable in future, if server doesn't support this.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14101

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Dec 19 15:44:25 UTC 2019 on sn-devel-184

(cherry picked from commit 8b04590e4d8f817ad6d194bb9d622c18734e3011)

Autobuild-User(v4-11-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-11-test): Wed Jan 15 10:33:14 UTC 2020 on sn-devel-184