dbi-link - dbi-link: Fixed environment setting system, patch by Albe

Log Message:
-----------
Fixed environment setting system, patch by Albe Laurenz, with minor
editorializing by Yours Truly.

Modified Files:
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dbi-link:
dbi_link.sql (r1.13 -> r1.14)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/dbi_link.sql.diff?r1=1.13&r2=1.14)