servo: Merge #2714 - Suppress the compiler warning about raw_pointer_deriving in layout/context.rs (from saneyuki:fix_warn)

Source-Repo: https://github.com/servo/servo
Source-Revision: 358708723daab932ba231f82dcfe5c82f7df9fb1

servo/src/components/main/layout/context.rs

@@ -52,6 +52,7 @@ static mut STYLE_SHARING_CANDIDATE_CACHE: *mut StyleSharingCandidateCache =
 local_data_key!(style_sharing_candidate_cache: *mut StyleSharingCandidateCache)
 
 /// Data shared by all layout workers.
+#[allow(raw_pointer_deriving)]
 #[deriving(Clone)]
 pub struct LayoutContext {
     /// The local image cache.