Fix tidy issues

components/net/lib.rs

@@ -2,9 +2,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+#![feature(box_syntax)]
 #![feature(custom_attribute)]
 #![feature(custom_derive)]
-#![feature(box_syntax)]
 #![feature(fnbox)]
 #![feature(mpsc_select)]
 #![feature(plugin)]

components/plugins/lib.rs

@@ -13,7 +13,8 @@
 //!  - `#[dom_struct]` : Implies `#[privatize]`,`#[derive(JSTraceable)]`, and `#[must_root]`.
 //!                       Use this for structs that correspond to a DOM type
 
-#![feature(plugin_registrar, quote, plugin, box_syntax, rustc_private, slice_patterns)]
+
+#![feature(box_syntax, plugin, plugin_registrar, quote, rustc_private, slice_patterns)]
 
 #![deny(unsafe_code)]
 

tests/unit/style/lib.rs

@@ -3,8 +3,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #![cfg(test)]
-#![feature(plugin)]
 #![feature(core_intrinsics)]
+#![feature(plugin)]
 
 extern crate app_units;
 extern crate cssparser;