Log Message:
-----------
Fix breakage of INSTALL document build.
Modified Files:
--------------
pgsql/doc/src/sgml:
installation.sgml (r1.240 -> r1.241)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml.diff?r1=1.240&r2=1.241)