pgsql: Enable another five tuple status bits by using the high bits of

Log Message:
-----------
Enable another five tuple status bits by using the high bits of the
nattr field, and rename the field.

Heikki Linnakangas

Modified Files:
--------------
pgsql/src/backend/access/common:
heaptuple.c (r1.113 -> r1.114)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/common/heaptuple.c.diff?r1=1.113&r2=1.114)
pgsql/src/backend/access/heap:
heapam.c (r1.223 -> r1.224)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/heap/heapam.c.diff?r1=1.223&r2=1.224)
pgsql/src/backend/executor:
spi.c (r1.168 -> r1.169)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/executor/spi.c.diff?r1=1.168&r2=1.169)
pgsql/src/include/access:
heapam.h (r1.118 -> r1.119)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/access/heapam.h.diff?r1=1.118&r2=1.119)
htup.h (r1.88 -> r1.89)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/access/htup.h.diff?r1=1.88&r2=1.89)
pgsql/src/pl/plpgsql/src:
pl_exec.c (r1.182 -> r1.183)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/pl_exec.c.diff?r1=1.182&r2=1.183)