Log Message:
-----------
Document the --enable-integer-datetimes configure option where the other
configure options are documented. Per Michael Glaesemann.
Modified Files:
--------------
pgsql/doc/src/sgml:
installation.sgml (r1.234 -> r1.235)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.234&r2=1.235)