Return &T / &mut T in ManuallyDrop Deref(Mut) impl
Return &T / &mut T in ManuallyDrop Deref(Mut) impl

Without this change the generated documentation looks like this:

    fn deref(&self) -> &<ManuallyDrop<T> as Deref>::Target

Returning the actual type directly makes the generated docs more clear:

    fn deref(&self) -> &T

aidancully/rust,aidancully/rust,graydon/rust,GBGamer/rust,aidancully/rust,graydon/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,graydon/rust,graydon/rust,graydon/rust,GBGamer/rust,graydon/rust,GBGamer/rust,aidancully/rust,GBGamer/rust