[llvm] Fix typo in section name for STYP_EXCEPT (PR #161959)

[via llvm-commits]

smallzhong wrote:

> Oh, you need to mark your email address as not private in GitHub for this to be merged. Please see https://llvm.org/docs/DeveloperPolicy.html#email-addresses.

Thanks for the reminder! I’ve disabled the “Keep my email addresses private” option in my GitHub settings.

https://github.com/llvm/llvm-project/pull/161959