pgsql: Exclude unwanted typedef symbols in pgindent, including FD_SET

Log Message:
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Exclude unwanted typedef symbols in pgindent, including FD_SET which is found on some Windows platforms. Also, silence unnecessary messages and make awk happier about literal '*' on some platforms.

Modified Files:
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pgsql/src/tools/pgindent:
pgindent (r1.101 -> r1.102)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/pgindent/pgindent?r1=1.101&r2=1.102)