fix FreeBSD 12 CI by skipping it

SteveLauC · SteveLauC · commit 3ef66d7fb52d · 2023-11-12T17:18:13.000+08:00
diff --git a/libc-test/build.rs b/libc-test/build.rs
@@ -2495,6 +2495,8 @@ fn test_freebsd(target: &str) {
             | "aio_readv"
             | "aio_writev"
             | "copy_file_range"
+            | "eventfd_read"
+            | "eventfd_write"
                 if Some(13) > freebsd_ver =>
             {
                 true
