fix memory leaks

coreapi/linphonecore.c

@@ -1513,7 +1513,10 @@ void linphone_configuring_terminated(LinphoneCore *lc, LinphoneConfiguringState
 		if (linphone_core_is_provisioning_transient(lc) == TRUE)
 			linphone_core_set_provisioning_uri(lc, NULL);
 	}
-
+	if (lc->provisioning_http_listener){
+		belle_sip_object_unref(lc->provisioning_http_listener);
+		lc->provisioning_http_listener = NULL;
+	}
 	linphone_core_start(lc);
 }
 
@@ -2486,6 +2489,7 @@ void linphone_core_iterate(LinphoneCore *lc){
 			belle_tls_verify_policy_t *tls_policy = belle_tls_verify_policy_new();
 			belle_tls_verify_policy_set_root_ca(tls_policy, sal_get_root_ca(lc->sal));
 			belle_http_provider_set_tls_verify_policy(lc->http_provider, tls_policy);
+			belle_sip_object_unref(tls_policy);
 		}
 
 		linphone_core_notify_display_status(lc, _("Configuring"));

coreapi/private.h

@@ -883,6 +883,7 @@ struct _LinphoneCore
 #endif //BUILD_UPNP
 	belle_http_provider_t *http_provider;
 	belle_tls_verify_policy_t *http_verify_policy;
+	belle_http_request_listener_t *provisioning_http_listener;
 	MSList *tones;
 	LinphoneReason chat_deny_code;
 	char *file_transfer_server;

coreapi/remote_provisioning.c

@@ -112,7 +112,6 @@ int linphone_remote_provisioning_download_and_apply(LinphoneCore *lc, const char
 
 	} else if( scheme && strncmp(scheme, "http", 4) == 0 && host && strlen(host) > 0) {
 		belle_http_request_listener_callbacks_t belle_request_listener={0};
-		belle_http_request_listener_t *listener;
 		belle_http_request_t *request;
 
 		belle_request_listener.process_response=belle_request_process_response_event;
@@ -120,10 +119,10 @@ int linphone_remote_provisioning_download_and_apply(LinphoneCore *lc, const char
 		belle_request_listener.process_io_error=belle_request_process_io_error;
 		belle_request_listener.process_timeout=belle_request_process_timeout;
 
-		listener = belle_http_request_listener_create_from_callbacks(&belle_request_listener, lc);
+		lc->provisioning_http_listener = belle_http_request_listener_create_from_callbacks(&belle_request_listener, lc);
 
 		request=belle_http_request_create("GET",uri, NULL);
-		return belle_http_provider_send_request(lc->http_provider, request, listener);
+		return belle_http_provider_send_request(lc->http_provider, request, lc->provisioning_http_listener);
 	} else {
 		ms_error("Invalid provisioning URI [%s] (missing scheme or host ?)",remote_provisioning_uri);
 		return -1;