Change thrift_disk_log_transport to not flush when flush/1 is called if sync_every is defined

Summary:
  For fast logging we don't want to actually flush to disk after every message.
  There's force_flush/1 now if you actually want to force one


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@666467 13f79535-47bb-0310-9956-ffa450edef68
1 file changed