Bugfix: ConnectBlock: In case the genesis block gets in with fJustCheck, behave correctly

src/main.cpp

@@ -1616,7 +1616,8 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
     // Special case for the genesis block, skipping connection of its transactions
     // (its coinbase is unspendable)
     if (block.GetHash() == Params().HashGenesisBlock()) {
-        view.SetBestBlock(pindex->GetBlockHash());
+        if (!fJustCheck)
+            view.SetBestBlock(pindex->GetBlockHash());
         return true;
     }