Fix some rustfmt screwups

serde_derive/src/de.rs

@@ -52,15 +52,14 @@ pub fn expand_derive_deserialize(input: &syn::DeriveInput) -> Result<Tokens, Str
         }
     };
 
-    Ok(
+    let generated = quote! {
-        quote! {
         #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
         const #dummy_const: () = {
             extern crate serde as _serde;
             #impl_block
         };
-    },
+    };
-    )
+    Ok(generated)
 }
 
 struct Parameters {

serde_derive/src/ser.rs

@@ -51,15 +51,14 @@ pub fn expand_derive_serialize(input: &syn::DeriveInput) -> Result<Tokens, Strin
         }
     };
 
-    Ok(
+    let generated = quote! {
-        quote! {
         #[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
         const #dummy_const: () = {
             extern crate serde as _serde;
             #impl_block
         };
-    },
+    };
-    )
+    Ok(generated)
 }
 
 fn precondition(cx: &Ctxt, cont: &Container) {