vfs_fruit: use check on global_fruit_config.nego_aapl for macOS specific behaviour
Ensure any non MS compliant protocol behaviour targetted at supporting
macOS clients are only effective if the client negotiated AAPL.
Currently this only guards the resource fork which only macOS client are
going to use, but subsequent commits add more this at this place.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
(cherry picked from commit
046456fca60b9fef38a0cdf5a116883fb1c7dffe)