message: Update mkl_layout_pass.cc
  Change the code style according to review suggestion.
diff: @@ -2319,7 +2319,7 @@ void MklLayoutRewritePass::CopyAttrsAll(const Node* orig_node, NodeBuilder* nb,
  name = iter->first;
  auto attr = iter->second;
  nb->Attr(name, attr);
  - iter++;
  + ++iter;
  }
  }
  