[clang] [clang][AST] Fix spaces in TypePrinter for some calling convs (PR #143160)

[Matheus Izvekov via cfe-commits]

https://github.com/mizvekov approved this pull request.

Thanks, LGTM!

You might want to consider adding a change to the ReleaseNotes before merging this.

https://github.com/llvm/llvm-project/pull/143160