Log Message:
-----------
Add a comment noting that the owner_pid test in OwnLatch is just a sanity
check, per request by Jeff Davis.
Modified Files:
--------------
pgsql/src/backend/port:
unix_latch.c (r1.2 -> r1.3)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/unix_latch.c?r1=1.2&r2=1.3)