Auto merge of #2879 - semarie:openbsd-KERN_NSELCOLL, r=JohnTitor
Auto merge of #2879 - semarie:openbsd-KERN_NSELCOLL, r=JohnTitor

openbsd: ignore ci error about unexistent KERN_NSELCOLL constant

This sysctl(2) constant has been removed.

https://github.com/openbsd/src/commit/9bf42e341afcf2dd868da323254a70b8eb9463cf

rust-lang/libc,rust-lang/libc,rust-lang/libc