Log Message:
-----------
Fix oversight in recent patch to support multiple read positions in
tuplestore: in READFILE state tuplestore_select_read_pointer must
save the current file seek position in the read pointer being
deactivated.
Modified Files:
--------------
pgsql/src/backend/utils/sort:
tuplestore.c (r1.41 -> r1.42)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/sort/tuplestore.c?r1=1.41&r2=1.42)