Fix clippy::empty_line_after_doc_comments lint (#168)

Author: waywardmonkeys

src/macos.rs

@@ -6,7 +6,6 @@
 // with a bit of rewrite by @youngsing to make it more like cocoa::appkit style.
 
 /// <https://developer.apple.com/documentation/appkit/nsvisualeffectview/material>
-
 #[repr(u64)]
 #[derive(Clone, Copy, Debug, PartialEq)]
 pub enum NSVisualEffectMaterial {