Index: src/backend/utils/adt/xml.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/backend/utils/adt/xml.c,v
retrieving revision 1.74
diff -c -r1.74 xml.c
*** src/backend/utils/adt/xml.c	12 May 2008 00:00:51 -0000	1.74
--- src/backend/utils/adt/xml.c	2 Jul 2008 22:22:57 -0000
***************
*** 3160,3165 ****
--- 3160,3166 ----
  	{
  		str = xmlXPathCastNodeToString(cur);
  		result = (xmltype *) cstring_to_text((char *) str);
+ 		xmlFree(str);
  	}
  
  	return result;