Fix c2rust-refactor for new Attribute item fields

Author: rinon

c2rust-refactor/src/collapse/nt_match.rs

@@ -152,7 +152,7 @@ as_nonterminal_impl!(Ty, NtTy, P);
 //as_nonterminal_impl!(Ident, NtIdent);
 //as_nonterminal_impl!(Lifetime, NtLifetime);
 //as_nonterminal_impl!(Expr??, NtLiteral, P);
-as_nonterminal_impl!(MetaItem, NtMeta);
+as_nonterminal_impl!(AttrItem, NtMeta);
 as_nonterminal_impl!(Path, NtPath);
 as_nonterminal_impl!(Visibility, NtVis);
 as_nonterminal_impl!(TokenTree, NtTT);

c2rust-refactor/src/transform/ownership.rs

@@ -279,8 +279,10 @@ fn make_attr(name: &str, tokens: TokenStream) -> Attribute {
     Attribute {
         id: AttrId(0),
         style: AttrStyle::Outer,
-        path: mk().path(vec![name]),
-        tokens: tokens,
+        item: AttrItem {
+            path: mk().path(vec![name]),
+            tokens: tokens,
+        },
         is_sugared_doc: false,
         span: DUMMY_SP,
     }