message: tweak pre-close delay
diff: @@ -1028,7 +1028,7 @@ void SstWriterClose(SstStream Stream)
  KillZeroRefTimesteps(Stream);
  // sleep briefly to allow for outgoing close messages to arrive
  - usleep(10 * Stream->ConnectionUsleepMultiplier);
  + usleep(100 * 1000);
  if ((Stream->ConfigParams->CPCommPattern == SstCPCommPeer) ||
  (Stream->Rank == 0))
  