message: Fixed the warning in the operator.cc file
  Removed the warning from the file.
diff: @@ -965,7 +965,7 @@ class Lstm : public BuiltinOperator<LstmCellOperator, ::tflite::LSTMOptions,
  flatbuffers::Offset<TfLiteOptions> WriteOptions(
  const TocoOperator& op,
  flatbuffers::FlatBufferBuilder* builder) const override {
  - ::tflite::LSTMKernelType kernel_type;
  + ::tflite::LSTMKernelType kernel_type = ::tflite::LSTMKernelType_FULL;
  switch (op.kernel_type) {
  case LstmCellOperator::KERNEL_BASIC:
  kernel_type = ::tflite::LSTMKernelType_BASIC;
  @@ -973,6 +973,8 @@ class Lstm : public BuiltinOperator<LstmCellOperator, ::tflite::LSTMOptions,
  case LstmCellOperator::KERNEL_FULL:
  kernel_type = ::tflite::LSTMKernelType_FULL;
  break;
  + default:
  + return -1;
  }
  // Current toco converter only supports tanh, no clip.
  