message: Spellchecking some comments
  This PR attempts to clean up some minor spelling mistakes in comments
diff: @@ -36,7 +36,7 @@ impl<T: DispatchFromDyn<U>, U> DispatchFromDyn<Wrapper<U>> for Wrapper<T> {}
  trait Trait {
  // This method isn't object-safe yet. Unsized by-value `self` is object-safe (but not callable
  - // without unsized_locals), but wrappers arond `Self` currently are not.
  + // without unsized_locals), but wrappers around `Self` currently are not.
  // FIXME (mikeyhew) uncomment this when unsized rvalues object-safety is implemented
  // fn wrapper(self: Wrapper<Self>) -> i32;
  fn ptr_wrapper(self: Ptr<Wrapper<Self>>) -> i32;
  