Log Message:
-----------
Make configure environment variable options without defaults not have an
equals sign.
Modified Files:
--------------
pgsql/doc/src/sgml:
installation.sgml (r1.254 -> r1.255)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.254&r2=1.255)