Log Message:
-----------
Add note that REINDEX takes a weaker lock than it used to.
Modified Files:
--------------
pgsql/doc/src/sgml:
release.sgml (r1.302 -> r1.303)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml.diff?r1=1.302&r2=1.303)