Style fixes

src/librustc_resolve/macros.rs

@@ -28,8 +28,7 @@ use syntax::ext::expand::{Expansion, mark_tts};
 use syntax::ext::hygiene::Mark;
 use syntax::ext::tt::macro_rules;
 use syntax::feature_gate::{emit_feature_err, GateIssue};
-use syntax::fold::Folder;
-use syntax::fold;
+use syntax::fold::{self, Folder};
 use syntax::ptr::P;
 use syntax::symbol::keywords;
 use syntax::util::lev_distance::find_best_match_for_name;

src/libsyntax_ext/deriving/custom.rs

@@ -29,8 +29,7 @@ impl<'a> Visitor<'a> for MarkAttrs<'a> {
         }
     }
 
-    fn visit_mac(&mut self, _mac: &Mac) {
-    }
+    fn visit_mac(&mut self, _mac: &Mac) {}
 }
 
 pub struct CustomDerive {

src/test/run-pass-fulldeps/proc-macro/struct-field-macro.rs

@@ -25,5 +25,4 @@ struct S {
     x: int!(),
 }
 
-fn main() {
-}
+fn main() {}