Log Message:-----------Mention palloc/pfree for C++ memory allocation in docs.
Modified Files:-------------- pgsql/doc/src/sgml: extend.sgml (r1.40 -> r1.41) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/extend.sgml?r1=1.40&r2=1.41)
