Log Message:
-----------
Fix SGML markup, from Guillaume Lelarge.
Modified Files:
--------------
pgsql/doc/src/sgml:
installation.sgml (r1.293 -> r1.294)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/installation.sgml?r1=1.293&r2=1.294)