message: Treat overly long scriptPubKeys as unspendable
diff: @@ -631,7 +631,7 @@ public:
  */
  bool IsUnspendable() const
  {
  - return (size() > 0 && *begin() == OP_RETURN);
  + return (size() > 0 && *begin() == OP_RETURN) || (size() > MAX_SCRIPT_SIZE);
  }
  void clear()
  