message: refactor: Pass grind args vector as const reference
diff: @@ -105,7 +105,7 @@ static void grind_task(uint32_t nBits, CBlockHeader& header_orig, uint32_t offse
  }
  }
  -static int Grind(std::vector<std::string> args, std::string& strPrint)
  +static int Grind(const std::vector<std::string>& args, std::string& strPrint)
  {
  if (args.size() != 1) {
  strPrint = "Must specify block header to grind";
  