message: Re-enable the early return if respend is not interesting
  This was disabled originally during the first implementation
  of dsproofs by Tom Zander. Now that the dsproof broadcasting
  is implemented within BU's original double spend detector we can
  re-enable this without affecting dsproof creation and transmission.
diff: @@ -799,7 +799,7 @@ bool ParallelAcceptToMemoryPool(Snapshot &ss,
  respend::RespendDetector respend(pool, tx);
  *isRespend = respend.IsRespend();
  - if (false && respend.IsRespend() && !respend.IsInteresting())
  + if (respend.IsRespend() && !respend.IsInteresting())
  {
  if (debugger)
  {
  