pgsql: Do not show information_schema in \d* commands, unless 'S' or

Log Message:
-----------
Do not show information_schema in \d* commands, unless 'S' or pattern is
specified.

Martin Pihlak

Modified Files:
--------------
pgsql/src/bin/psql:
describe.c (r1.204 -> r1.205)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c?r1=1.204&r2=1.205)