Avoid a `panic!()`, and return a proper error, on a NUL byte. We hit a null-byte check inside the `object` crate otherwise; this blocks fuzzing when testing via a write-object-file-and-dlopen flow.
Avoid a `panic!()`, and return a proper error, on a NUL byte. We hit a null-byte check inside the `object` crate otherwise; this blocks fuzzing when testing via a write-object-file-and-dlopen flow.