Ignore sched_attr type for linux test

libc-test/build.rs

@@ -3676,6 +3676,12 @@ fn test_linux(target: &str) {
             // /~https://github.com/torvalds/linux/commit/c05cd3645814724bdeb32a2b4d953b12bdea5f8c
             "xdp_umem_reg_v1" => true,
 
+            // Is defined in `<linux/sched/types.h>` but if this file is included at the same time
+            // as `<sched.h>`, the `struct sched_param` is defined twice, causing the compilation to
+            // fail. The problem doesn't seem to be present in more recent versions of the linux
+            // kernel so we can drop this and test the type once this new version is used in CI.
+            "sched_attr" => true,
+
             _ => false,
         }
     });