caffe2: Fix lint errors in native/xnnpack/Linear.cpp (pytorch#150508)

Summary: See title

Test Plan: Sandcastle

Differential Revision: D72275403

Pull Request resolved: pytorch#150508
Approved by: https://github.com/malfet, https://github.com/Skylion007, https://github.com/cyyever

Author: EricGriffith

Diff for: aten/src/ATen/native/xnnpack/Linear.cpp

@@ -129,6 +129,7 @@ Tensor run(
 
   const IntArrayRef input_size = padded_input.sizes();
   std::vector<int64_t> output_size(input_size.cbegin(), input_size.cend());
+  // NOLINTNEXTLINE(facebook-hte-LocalUncheckedArrayBounds)
   output_size.back() = context.output_channels;
 
   Tensor output = mobile::empty_with_tail_padding(