res/pjsip: Mark WSS transport as secure

Pjsip is refusing to use unsecure transport with "sips" in url.
WSS should be considered as secure transport.

ASTERISK-24602 #comment Partially fixed by setting WSS as secure

Change-Id: Iddac406c6deba6240c41a603b8859dfefe1a5353

res/res_pjsip_transport_websocket.c

@@ -419,7 +419,7 @@ static int load_module(void)
 	CHECK_PJSIP_MODULE_LOADED();
 
 	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE, "WS", 5060, &transport_type_ws);
-	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE, "WSS", 5060, &transport_type_wss);
+	pjsip_transport_register_type(PJSIP_TRANSPORT_RELIABLE | PJSIP_TRANSPORT_SECURE, "WSS", 5060, &transport_type_wss);
 
 	if (ast_sip_register_service(&websocket_module) != PJ_SUCCESS) {
 		return AST_MODULE_LOAD_DECLINE;