[llvm] [DWARF5][COFF] Fix wrong relocation in .debug_line (PR #83773)

[via llvm-commits]

timoh-ba wrote:

> @timoh-ba Btw, before merging: Please turn off [Keep my email addresses private](https://github.com/settings/emails) setting in your account. See [LLVM Discourse](https://discourse.llvm.org/t/hidden-emails-on-github-should-we-do-something-about-it) for more information.

Okay, I turned it off, I hope it worked?

Also I noticed that I linked this PR using its github link, from the git log of llvm I see that some people do it that way, some tag it using the number and a #. Should I change it or is this not important?

https://github.com/llvm/llvm-project/pull/83773