Auto merge of servo#243 - KiChjang:silence-warning, r=Wafflespeanut

Silence warning on raw_pointer_derive

Fixes servo#239.

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src/lib.rs

@@ -11,7 +11,7 @@
 #![feature(unsafe_no_drop_flag)]
 #![feature(const_fn)]
 
-#![allow(non_upper_case_globals, non_camel_case_types, non_snake_case, improper_ctypes, raw_pointer_derive)]
+#![allow(non_upper_case_globals, non_camel_case_types, non_snake_case, improper_ctypes)]
 
 #[macro_use]
 extern crate heapsize;