ices/52334.rs: fixed with no errors

[github-actions]

Issue: rust-lang/rust#52334

type Foo = extern "C" fn(::std::ffi::CStr);
extern "C" {
    fn meh(blah: Foo);
}

fn main() {
    meh as usize;
}

=== stdout ===
=== stderr ===
warning: `extern` block uses type `CStr`, which is not FFI-safe
 --> /home/runner/work/glacier/glacier/ices/52334.rs:3:18
  |
3 |     fn meh(blah: Foo);
  |                  ^^^ not FFI-safe
  |
  = note: `#[warn(improper_ctypes)]` on by default
  = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
  = note: this struct has unspecified layout

warning: 1 warning emitted

==============

[Alexendoo]

Needed a tweak, not yet fixed: d60e2dd