CDRIVER-1972 We explicitly know when its UDS but AF_UNSPEC might be ipv4 or ipv6

bjori · bjori · commit d25c2c64bbf7 · 2017-01-06T13:59:07.000-08:00
diff --git a/src/mongoc/mongoc-client.c b/src/mongoc/mongoc-client.c
@@ -310,6 +310,7 @@ mongoc_client_default_stream_initiator (const mongoc_uri_t       *uri,
 
 
    switch (host->family) {
+   case AF_UNSPEC:
 #if defined(AF_INET6)
    case AF_INET6:
 #endif
