Log Message:-----------Test for POSIX_FADV_DONTNEED to use posix_fadvise().
Modified Files:-------------- pgsql/src/backend/access/transam: xlog.c (r1.238 -> r1.239) (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/transam/xlog.c.diff?r1=1.238&r2=1.239)
