message: [syntax only] add code block for clarity
diff: @@ -499,6 +499,7 @@ bool CGrapheneBlock::process(CNode *pfrom,
  // Add full transactions included in the block
  if (!collision)
  + {
  for (auto &tx : vAdditionalTxs)
  {
  const uint256 &hash = tx->GetHash();
  @@ -508,6 +509,7 @@ bool CGrapheneBlock::process(CNode *pfrom,
  if (!ir.second)
  collision = true;
  }
  + }
  if (!collision)
  {
  