Log Message:
-----------
Fix multiple memory leaks in xml_out(). Per report from Matt Magoffin.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
xml.c (r1.76 -> r1.77)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/xml.c?r1=1.76&r2=1.77)