Auto merge of #3134 - JohnTitor:ignore-some-IP_BIND-freebsd, r=JohnTitor

Ignore some removed `IP_*` consts on FreeBSD

Author: bors

libc-test/build.rs

@@ -2271,6 +2271,10 @@ fn test_freebsd(target: &str) {
             // Added in FreeBSD 14
             "IFCAP_NV" if Some(14) > freebsd_ver => true,
 
+            // Removed in https://reviews.freebsd.org/D38574 and https://reviews.freebsd.org/D38822
+            // We maybe should deprecate them once a stable release ships them.
+            "IP_BINDMULTI" | "IP_RSS_LISTEN_BUCKET" => true,
+
             _ => false,
         }
     });