message: Fix typo in unidirectional_sequence_lstm.cc
  absense -> absence
diff: @@ -170,7 +170,7 @@ TfLiteStatus PopulateQuantizedLstmParams8x8_16(
  intermediate_zp.push_back(0);
  }
  }
  - // In the absense of projection, hidden becomes otuput and this intermediate
  + // In the absence of projection, hidden becomes otuput and this intermediate
  // is ignored.
  TfLiteTensor* hidden;
  TF_LITE_ENSURE_OK(context, GetIntermediatesSafe(context, node, 4, &hidden));
  