Log Message:
-----------
Update release history for 7.4.5.
Modified Files:
--------------
pgsql-server/doc/src/sgml:
release.sgml (r1.284 -> r1.285)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/src/sgml/release.sgml.diff?r1=1.284&r2=1.285)