message: videoio: fix debug message
diff: @@ -608,7 +608,7 @@ void VideoWriter_create(CvVideoWriter*& writer, Ptr<IVideoWriter>& iwriter, Vide
  CV_LOG_WARNING(NULL, cv::format("VIDEOIO(%s): trying ...\n", #backend_func)); \
  iwriter = backend_func; \
  if (param_VIDEOIO_DEBUG || param_VIDEOWRITER_DEBUG) \
  - CV_LOG_WARNING(NULL, cv::format("VIDEOIO(%s): result=%p isOpened=%d...\n", #backend_func, iwriter.empty() ? NULL : iwriter.get(), iwriter.empty() ? iwriter->isOpened() : -1)); \
  + CV_LOG_WARNING(NULL, cv::format("VIDEOIO(%s): result=%p isOpened=%d...\n", #backend_func, iwriter.empty() ? NULL : iwriter.get(), iwriter.empty() ? -1 : iwriter->isOpened())); \
  } catch(const cv::Exception& e) { \
  CV_LOG_ERROR(NULL, cv::format("VIDEOIO(%s): raised OpenCV exception:\n\n%s\n", #backend_func, e.what())); \
  } catch (const std::exception& e) { \
  