pgsql: Code review for FORCE QUOTE * patch: fix error checking to

Log Message:
-----------
Code review for FORCE QUOTE * patch: fix error checking to consider FORCE
QUOTE * as a variety of FORCE QUOTE, and update psql documentation to include
the option. (The actual psql code doesn't seem to need any changes.)

Modified Files:
--------------
pgsql/doc/src/sgml/ref:
psql-ref.sgml (r1.226 -> r1.227)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml?r1=1.226&r2=1.227)
pgsql/src/backend/commands:
copy.c (r1.314 -> r1.315)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/copy.c?r1=1.314&r2=1.315)
pgsql/src/bin/psql:
copy.c (r1.80 -> r1.81)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/copy.c?r1=1.80&r2=1.81)