Log Message:
-----------
Fix BSD-only coding in port.c (passing a local variable to putenv).
Also a quick but half-baked attempt to make trim_trailing_separator
do the right thing with path consisting only of '/' --- still needs
work for Windows I think.
Modified Files:
--------------
pgsql-server/src/port:
path.c (r1.20 -> r1.21)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/port/path.c.diff?r1=1.20&r2=1.21)
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TIP 8: explain analyze is your friend
