Log Message:
-----------
Update comment for _bt_relandgetbuf.
Modified Files:
--------------
pgsql/src/backend/access/nbtree:
nbtpage.c (r1.112 -> r1.113)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/nbtree/nbtpage.c?r1=1.112&r2=1.113)