Compiler warnings cleanup for quantization.cpp.
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/26585
Test Plan: Imported from OSS
Differential Revision: D17514739
Pulled By: ZolotukhinM
fbshipit-source-id: a666564aad9ca8837b592d285da22701a4bf76df
Author
Mikhail Zolotukhin
