message: Fix for including mintcoin in calculating accumulator
diff: @@ -709,7 +709,7 @@ libzerocoin::AccumulatorWitness CZerocoinState::GetWitnessForSpend(CChain *chain
  // Now add to the accumulator every coin minted since that moment except pubCoin
  block = coinGroup.lastBlock;
  - do {
  + while(true) {
  if (block->nHeight <= maxHeight && block->mintedPubCoins.count(denomAndId) > 0) {
  vector<CBigNum> &pubCoins = block->mintedPubCoins[denomAndId];
  for (const CBigNum &coin: pubCoins) {
  @@ -719,7 +719,9 @@ libzerocoin::AccumulatorWitness CZerocoinState::GetWitnessForSpend(CChain *chain
  }
  if (block != mintBlock)
  block = block->pprev;
  - } while (block != mintBlock);
  + else
  + break;
  + }
  return libzerocoin::AccumulatorWitness(ZCParams, accumulator, libzerocoin::PublicCoin(ZCParams, pubCoin, d));
  }
  