svlog: preproc: Fix CI regression
@@ -1024,8 +1024,8 @@ impl<'a> Preprocessor<'a> {
let value = match (exp, def.default.as_ref()) {
// Expansion arguments include this argument, but may be
// empty.
- (Some(_exp), Some(default)) if is_empty => default.clone(),
- (Some(_exp), None) if is_empty => vec![],
+ (Some(ref _exp), Some(default)) if is_empty => default.clone(),
+ (Some(ref _exp), None) if is_empty => vec![],
(Some(exp), _) => exp,
// Expansion arguments ended before this argument.
