Log Message:
-----------
Trim down environment variable instructions for Win32, backpatch to 8.2.X.
Modified Files:
--------------
pgsql/doc/src/sgml:
libpq.sgml (r1.226 -> r1.227)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/libpq.sgml.diff?r1=1.226&r2=1.227)