message: adjust sync threshold
diff: @@ -5246,7 +5246,7 @@ void BitcoinMiner(CWallet *pwallet, bool fProofOfStake)
  while (vNodes.empty())
  MilliSleep(1000);
  - while (Checkpoints::GuessVerificationProgress(pindexBest)<0.99999)
  + while (Checkpoints::GuessVerificationProgress(pindexBest)<0.9998)
  {
  strMintWarning = strMintSyncMessage;
  MilliSleep(10000);
  