Fix tidy error

Author: keatinge

src/libsyntax/parse/parser.rs

@@ -3433,8 +3433,11 @@ impl<'a> Parser<'a> {
             pats.push(self.parse_pat()?);
 
             if self.token == token::OrOr {
-                let mut err = self.struct_span_err(self.span, "unexpected token `||` after pattern");
-                err.span_suggestion(self.span, "use a single `|` to specify multiple patterns", "|".to_owned());
+                let mut err = self.struct_span_err(self.span,
+                                                   "unexpected token `||` after pattern");
+                err.span_suggestion(self.span,
+                                    "use a single `|` to specify multiple patterns",
+                                    "|".to_owned());
                 err.emit();
                 self.bump();
             } else if self.check(&token::BinOp(token::Or)) {