librustc: Don't accept as Trait anymore; fix all occurrences of it.

src/libsyntax/parse/parser.rs

@@ -215,8 +215,8 @@ struct ParsedItemsAndViewItems {
 
 pub fn Parser(sess: @mut ParseSess,
               +cfg: ast::crate_cfg,
-              +rdr: reader) -> Parser {
-
+              +rdr: @reader)
+           -> Parser {
     let tok0 = copy rdr.next_token();
     let interner = rdr.interner();
 
@@ -254,7 +254,7 @@ pub struct Parser {
     tokens_consumed: @mut uint,
     restriction: @mut restriction,
     quote_depth: @mut uint, // not (yet) related to the quasiquoter
-    reader: reader,
+    reader: @reader,
     interner: @token::ident_interner,
     keywords: HashMap<~str, ()>,
     strict_keywords: HashMap<~str, ()>,