[deploy] fix typo in `registerModuleSource` (#66107)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66107
lol
Test Plan: Imported from OSS
Reviewed By: zdevito
Differential Revision: D31385631
Pulled By: suo
fbshipit-source-id: a3307e2862f7951c160776eb8edb18329c937ed1
