Fix test-api-client to correctly instantiate the API class

src/test-api-client.c

@@ -183,7 +183,7 @@ main(int argc, char *argv[])
 
     g_info("Starting up: %s with %s:%s", *homeserver, user, password);
 
-    api = MATRIX_API(matrix_http_api_new(*homeserver, NULL));
+    api = MATRIX_API(matrix_http_api_new(*homeserver, NULL, NULL));
     matrix_http_api_set_validate_certificate(MATRIX_HTTP_API(api),
                                              !no_validate_certs);
     builder = json_builder_new();