git `invalid path` on Windows

Windows File System supports the filenames that ends with space ( ) and period (.).
But does not support it by git for Windows.

Name		Name	Last commit message	Last commit date
Latest commit History 5 Commits
collides-with-trailings		collides-with-trailings
trailing-periods		trailing-periods
trailing-spaces		trailing-spaces
README.md		README.md

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