message: python: imreadmulti - add CV_OUT so it is correctly wrapped
diff: @@ -173,7 +173,7 @@ The function imreadmulti loads a multi-page image from the specified file into a
  @param mats A vector of Mat objects holding each page, if more than one.
  @sa cv::imread
  */
  -CV_EXPORTS_W bool imreadmulti(const String& filename, std::vector<Mat>& mats, int flags = IMREAD_ANYCOLOR);
  +CV_EXPORTS_W bool imreadmulti(const String& filename, CV_OUT std::vector<Mat>& mats, int flags = IMREAD_ANYCOLOR);
  /** @brief Saves an image to a specified file.
  