postbio - postbio: Added support for 8.3.

Log Message:
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Added support for 8.3.

Modified Files:
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postbio:
interval.c (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/postbio/postbio/interval.c.diff?r1=1.3&r2=1.4)
postbio.c (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/postbio/postbio/postbio.c.diff?r1=1.1&r2=1.2)
postbio.sql.in (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/postbio/postbio/postbio.sql.in.diff?r1=1.3&r2=1.4)
stree.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/postbio/postbio/stree.c.diff?r1=1.2&r2=1.3)