[quant][graphmode][fx][be] Fix a typo in quantization/fx/graph_module (#69877)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69877
att
Test Plan:
```
python tes/test_quantization.py TestQuantizeFx
```
Imported from OSS
Reviewed By: supriyar
Differential Revision: D33079525
fbshipit-source-id: dfd3afb916067a628071a59ce95c6b1d228a3c72
