message: cudafilters: don't modify "const" data
diff: @@ -312,9 +312,8 @@ Ptr<Filter> cv::cuda::createLaplacianFilter(int srcType, int dstType, int ksize,
  {2.0f, 0.0f, 2.0f, 0.0f, -8.0f, 0.0f, 2.0f, 0.0f, 2.0f}
  };
  - Mat kernel(3, 3, CV_32FC1, (void*)K[ksize == 3]);
  - if (scale != 1)
  - kernel *= scale;
  + Mat kernel1(3, 3, CV_32FC1, (void*)K[ksize == 3]);
  + Mat kernel = (scale == 1) ? kernel1 : (kernel1 * scale);
  return cuda::createLinearFilter(srcType, dstType, kernel, Point(-1,-1), borderMode, borderVal);
  }
  