message: Update opengl_interop.cpp
  resolves
diff: @@ -360,7 +360,7 @@ protected:
  if (m_demo_processing)
  {
  // blur texture image with OpenCV on CPU
  - cv::blur(m, m, cv::Size(15, 15), cv::Point(-7, -7));
  + cv::blur(m, m, cv::Size(15, 15));
  }
  if (do_buffer)
  @@ -385,7 +385,7 @@ protected:
  if (m_demo_processing)
  {
  // blur texture image with OpenCV on GPU with OpenCL
  - cv::blur(u, u, cv::Size(15, 15), cv::Point(-7, -7));
  + cv::blur(u, u, cv::Size(15, 15));
  }
  if (do_buffer)
  