Add alias torch.fix for torch.trunc to be compatible with NumPy. (#43326)
Summary:
xref https://github.com/pytorch/pytorch/issues/42515
Pull Request resolved: https://github.com/pytorch/pytorch/pull/43326
Reviewed By: pbelevich
Differential Revision: D23249089
Pulled By: mruberry
fbshipit-source-id: 6afa9eb20493983d084e0676022c6245e7463e05
