Add newlines to ends of files

serde/src/de/impls.rs

@@ -1841,4 +1841,4 @@ where
     {
         Deserialize::deserialize(deserializer).map(Wrapping)
     }
-} 
+} 

serde/src/ser/impls.rs

@@ -679,4 +679,4 @@ impl<T: Serialize> Serialize for Wrapping<T> {
     {
         self.0.serialize(serializer)
     }
-}
+}