[llvm] [llvm-install-name-tool] Error on non-Mach-O binaries (PR #90351)

[James Henderson via llvm-commits]

https://github.com/jh7370 approved this pull request.

LGTM.

Please try to avoid force pushes in the future, as it makes the reviewing experience worse (and consequently is against the LLVM guidelines). If you need to rebase, you can do a merge, but in general this isn't necessary.

https://github.com/llvm/llvm-project/pull/90351