Fix type problem in fsal_check_access_no_acl and add more debug

mask MUST be of type fsal_accessflags_t, mode_t might not be big enough
for FSAL_[RWX]_OK flags (it isn't on FreeBSD).

Signed-off-by: Frank S. Filz <ffilzlnx@mindspring.com>

(cherry picked from commit 646fdd97b189a0654bb73d8cb1d296d0fd8f92af)

Signed-off-by: Jim Lieb <jlieb@panasas.com>

(cherry picked from commit 8dc4e900b08590aff258a92d28dc966a813b3fe0)
Backport from 2.1.

Signed-off-by: Jim Lieb <jlieb@panasas.com>