fix typo in comment in ncnn2int8.cpp

[zchrissirhcz]

Hi Nihui

This PR fix typo in ncnn2int8.cpp's comment.

[codecov-io]

Codecov Report

Merging #2627 (fe29986) into master (6550a51) will decrease coverage by 0.79%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2627      +/-   ##
==========================================
- Coverage   87.63%   86.83%   -0.80%     
==========================================
  Files         478      390      -88     
  Lines       92139    70951   -21188     
==========================================
- Hits        80743    61612   -19131     
+ Misses      11396     9339    -2057     

Impacted Files	Coverage Δ
src/allocator.cpp	71.30% <0.00%> (-5.01%)	⬇️
src/layer/x86/reshape_x86.cpp	90.39% <0.00%> (-3.62%)	⬇️
src/layer/crop.cpp	79.09% <0.00%> (-3.54%)	⬇️
src/layer/x86/scale_x86.cpp	91.91% <0.00%> (-3.43%)	⬇️
src/layer/x86/dropout_x86.cpp	91.89% <0.00%> (-3.35%)	⬇️
src/layer/x86/prelu_x86.cpp	92.18% <0.00%> (-3.19%)	⬇️
src/layer/x86/relu_x86.cpp	90.69% <0.00%> (-2.53%)	⬇️
src/layer/x86/hardswish_x86.cpp	94.11% <0.00%> (-2.44%)	⬇️
src/layer/x86/eltwise_x86.cpp	92.44% <0.00%> (-2.36%)	⬇️
src/layer/x86/hardsigmoid_x86.cpp	94.11% <0.00%> (-2.32%)	⬇️
... and 120 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6550a51...fe29986. Read the comment docs.

[nihui]

Thanks !