update

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8214 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_event.c

@@ -871,7 +871,7 @@ SWITCH_DECLARE(switch_xml_t) switch_event_xmlize(switch_event_t *event, const ch
 		add_xml_header(xml, hp->name, hp->value, off++);
 	}
 
-	if (data) {
+	if (!switch_strlen_zero(data)) {
 		body = data;
 	} else if (event->body) {
 		body = event->body;