message: Removed unused variable thread_id in PV
diff: @@ -183,7 +183,6 @@ void CParallelValidation::QuitCompetingThreads(const uint256& prevBlockHash)
  bool CParallelValidation::IsAlreadyValidating(const NodeId nodeid)
  {
  // Don't allow a second thinblock to validate if this node is already in the process of validating a block.
  - boost::thread::id this_id(boost::this_thread::get_id());
  LOCK(cs_blockvalidationthread);
  map<boost::thread::id, CParallelValidation::CHandleBlockMsgThreads>::iterator iter = mapBlockValidationThreads.begin();
  while (iter != mapBlockValidationThreads.end()) {
  