Fix zero-size struct improper_ctypes warnings.

These warnings starting appearing from rust-lang/rust#26583.
SSheldon · Sep 20, 2015 · dfa8b48 · dfa8b48
1 parent bfceec1
commit dfa8b48
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/src/runtime.rs b/src/runtime.rs
@@ -40,8 +40,7 @@ pub struct Sel {
 
 /// A marker type to be embedded into other types just so that they cannot be
 /// constructed externally.
-#[repr(C)]
-struct PrivateMarker;
+enum PrivateMarker { }
 
 /// A type that represents an instance variable.
 #[repr(C)]