message: Updated resolve_svdf.cc
  Fixed warning in the file
diff: @@ -186,7 +186,7 @@ void SvdfCluster::MaybeMergeConstNodes(
  allocated_tensor->mutable_tensor_shape();
  auto tensor_shape_dim0 = allocated_tensor_shape->add_dim();
  int allocated_content_flat_size = 0;
  - for (int i = 0; i < const_node_parts.size(); i++) {
  + for (size_t i = 0; i < const_node_parts.size(); i++) {
  const auto& value_attr = const_node_parts[i]->attr().at("value");
  const tensorflow::TensorProto& tensor = value_attr.tensor();
  if (i == 0) {
  @@ -214,7 +214,7 @@ void SvdfCluster::MaybeMergeConstNodes(
  std::unique_ptr<char[]> allocated_content(
  new char[allocated_content_flat_size]);
  char* content_ptr = allocated_content.get();
  - for (int i = 0; i < const_node_parts.size(); i++) {
  + for (size_t i = 0; i < const_node_parts.size(); i++) {
  const auto& value_attr = const_node_parts[i]->attr().at("value");
  const tensorflow::TensorProto& tensor = value_attr.tensor();
  port::CopyToBuffer(tensor.tensor_content(), content_ptr);
  