message: Fix discrepancy of SSE optimized functions declared and defined at different SSE levels.
  Currently they are defined in the source at SSSE 3 level, but declared in the header only when SSE 4.1 is available. Change the header to SSSE 3 too.
diff: @@ -24,7 +24,7 @@ limitations under the License.
  namespace tflite {
  namespace tensor_utils {
  -#ifdef __SSE4_1__
  +#ifdef __SSSE3__
  // Matrix multiplication for quantized values using symmetric quantization.
  void SseMatrixBatchVectorMultiplyAccumulate(
  @@ -47,7 +47,7 @@ void SseSparseMatrixBatchVectorMultiplyAccumulate(
  const float* scaling_factors, int n_batch, float* __restrict__ result,
  int result_stride);
  -#endif // __SSE4_1__
  +#endif // __SSSE3__
  } // namespace tensor_utils
  } // namespace tflite
  