message: Add doxygen documentation for Vector::GetData().
diff: @@ -123,8 +123,9 @@ public:
  /** It is always true that Capacity() >= Size(). */
  inline int Capacity() const { return abs(allocsize); }
  - // double *GetData() { return data; }
  -
  + /// Return a pointer to the beginning of the Vector data.
  + /** @warning This method should be used with caution as it gives write access
  + to the data of const-qualified Vector%s. */
  inline double *GetData() const { return data; }
  /// Conversion to `double *`.
  