message: Add a comment: storing the output slots of input nodes.
diff: @@ -2672,6 +2672,7 @@ Status MklLayoutRewritePass::FuseTransposeMklOpTranspose(
  // type.
  NodeBuilder nb(mklop->name(), mklop->type_string());
  + // Storing the output slots of the input nodes.
  for (int i = 0; i < mklop_num_inputs; i++) {
  if (mklop_in[i].first == transpose_to_nhwc) {
  // Fill "x":
  