Memory is deallocated more than once

Defect 102106 (STATIC_C)
Checker USE_AFTER_FREE (subcategory double_free)
File: /src/mongoc/mongoc-cluster.c
Function _mongoc_cluster_auth_node_cr
/src/mongoc/mongoc-cluster.c, line: 836
Calling "mongoc_server_stream_cleanup" frees pointer "server_stream" which has already been freed.

       mongoc_server_stream_cleanup (server_stream);