message: fix the region layer's output anchor size  normalization error
diff: @@ -280,8 +280,8 @@ public:
  dstData[box_index + 0] = (x + logistic_activate(srcData[box_index + 0])) / cols;
  dstData[box_index + 1] = (y + logistic_activate(srcData[box_index + 1])) / rows;
  - dstData[box_index + 2] = exp(srcData[box_index + 2]) * biasData[2 * a] / hNorm;
  - dstData[box_index + 3] = exp(srcData[box_index + 3]) * biasData[2 * a + 1] / wNorm;
  + dstData[box_index + 2] = exp(srcData[box_index + 2]) * biasData[2 * a] / wNorm;
  + dstData[box_index + 3] = exp(srcData[box_index + 3]) * biasData[2 * a + 1] / hNorm;
  int class_index = index_sample_offset + index * cell_size + 5;
  for (int j = 0; j < classes; ++j) {
  