Log Message:-----------Fix transaction-lifespan memory leak in xpath(). Report by Matt Magoffin,fix by Kris Jurka.
Modified Files:-------------- pgsql/src/backend/utils/adt: xml.c (r1.74 -> r1.75) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/xml.c?r1=1.74&r2=1.75)
