Memory leaking in calendars

ne_request_destroy() was missing in icalendar and exchange calendar modules, causing memory leak.

(closes issue #18521)
Review: https://reviewboard.asterisk.org/r/1068/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@300214 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_calendar_exchange.c

@@ -403,6 +403,7 @@ static struct ast_str *exchangecal_request(struct exchangecal_pvt *pvt, const ch
 	ne_add_request_header(req, "Content-type", "text/xml");
 
 	ret = ne_request_dispatch(req);
+	ne_request_destroy(req);
 
 	if (ret != NE_OK || !ast_str_strlen(response)) {
 		ast_log(LOG_WARNING, "Unknown response to CalDAV calendar %s, request %s to %s: %s\n", pvt->owner->name, method, pvt->url, ne_get_error(pvt->session));

res/res_calendar_icalendar.c

@@ -142,6 +142,7 @@ static icalcomponent *fetch_icalendar(struct icalendar_pvt *pvt)
 	ne_add_response_body_reader(req, ne_accept_2xx, fetch_response_reader, &response);
 
 	ret = ne_request_dispatch(req);
+	ne_request_destroy(req);
 	if (ret != NE_OK || !ast_str_strlen(response)) {
 		ast_log(LOG_WARNING, "Unable to retrieve iCalendar '%s' from '%s': %s\n", pvt->owner->name, pvt->url, ne_get_error(pvt->session));
 		ast_free(response);