pgsql: Fix pg_restore -n option to do what the man page says it does.

Log Message:
-----------
Fix pg_restore -n option to do what the man page says it does.  The
original coding only worked if one of the selTypes restriction options
was also given.  Per report from Nick Johnson.

Modified Files:
--------------
    pgsql/src/bin/pg_dump:
        pg_backup_archiver.c (r1.125 -> r1.126)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_archiver.c.diff?r1=1.125&r2=1.126)
        pg_restore.c (r1.76 -> r1.77)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_restore.c.diff?r1=1.76&r2=1.77)