message: fix integer sizes in error printout
diff: @@ -514,8 +514,8 @@ static UniValue RPCSubmitSolution(const UniValue &solution, int &nblocks)
  fprintf(stderr, "Block Candidate rejected. Error: %s\n", result.get_str().c_str());
  // Debug:
  UniValue dbg = solution[0].get_obj();
  - fprintf(stderr, "id: %d time: %d nonce: %d version: 0x%x\n", dbg["id"].get_int(), dbg["time"].get_int(),
  - dbg["nonce"].get_int(), dbg["version"].get_int());
  + fprintf(stderr, "id: %ld time: %d nonce: %d version: 0x%x\n", dbg["id"].get_int64(),
  + (uint32_t)dbg["time"].get_int64(), (uint32_t)dbg["nonce"].get_int64(), (uint32_t)dbg["version"].get_int());
  fprintf(stderr, "coinbase: %s\n", dbg["coinbase"].get_str().c_str());
  }
  else
  