message: Avoid -Wshadow errors
  Suggested by Pavel Janik.
diff: @@ -448,7 +448,7 @@ class LimitedString
  protected:
  std::string& string;
  public:
  - LimitedString(std::string& string) : string(string) {}
  + LimitedString(std::string& _string) : string(_string) {}
  template<typename Stream>
  void Unserialize(Stream& s)
  @@ -831,9 +831,9 @@ protected:
  public:
  CSizeComputer(int nTypeIn, int nVersionIn) : nSize(0), nType(nTypeIn), nVersion(nVersionIn) {}
  - void write(const char *psz, size_t nSize)
  + void write(const char *psz, size_t _nSize)
  {
  - this->nSize += nSize;
  + this->nSize += _nSize;
  }
  /** Pretend _nSize bytes are written, without specifying them. */
  