CRIVER-3728 set prohibit_lsid in cluster_auth_node_cyrus and cluster_auth_node_sspi

Author: gonras0o

src/libmongoc/src/mongoc/mongoc-cluster-cyrus.c

@@ -57,6 +57,7 @@ _mongoc_cluster_auth_node_cyrus (mongoc_cluster_t *cluster,
    for (;;) {
       mongoc_cmd_parts_init (
          &parts, cluster->client, "$external", MONGOC_QUERY_SLAVE_OK, &cmd);
+      parts.prohibit_lsid = true;
 
       /* If this is the first step, input buffer is NULL. */
       bson_free (outbuf);

src/libmongoc/src/mongoc/mongoc-cluster-sspi.c

@@ -175,6 +175,7 @@ _mongoc_cluster_auth_node_sspi (mongoc_cluster_t *cluster,
    for (step = 0;; step++) {
       mongoc_cmd_parts_init (
          &parts, cluster->client, "$external", MONGOC_QUERY_SLAVE_OK, &cmd);
+      parts.prohibit_lsid = true;
       bson_init (&cmd);
 
       if (res == MONGOC_SSPI_AUTH_GSS_CONTINUE) {