minor fix

Author: Strophox

src/tools/miri/src/shims/native_lib.rs

@@ -240,7 +240,7 @@ fn imm_to_carg<'tcx>(v: ImmTy<'tcx>, cx: &impl HasDataLayout) -> InterpResult<'t
         ty::RawPtr(..) => {
             let s = v.to_scalar().to_pointer(cx)?.addr();
             // This relies on the `expose_provenance` in `addr_from_alloc_id`.
-            CArg::RawPtr(ptr::with_exposed_provenance_mut(s.bytes_usize()))
+            CArg::RawPtr(std::ptr::with_exposed_provenance_mut(s.bytes_usize()))
         },
         _ => throw_unsup_format!("unsupported argument type for native call: {}", v.layout.ty),
     })