minor code cleanup

test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js

Index: test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js
diff --git a/test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js b/test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js
index 041ad24ae10ffbf38af038d9acee8ff54145ea8a..8d602e0430e8b10a5211cbd037152fe3eebaed77 100644
--- a/test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js
+++ b/test/codegen/expect/server_mode/dev_compiler/runtime/dart_runtime.js
@@ -21,7 +21,7 @@ var dart;
     argDecl = fnText.match(FN_ARGS);
 
     var r = argDecl[1].split(FN_ARG_SPLIT);
-    for(var a in r){
+    for(var a in r) {
       var arg = r[a];
       arg.replace(FN_ARG, function(all, underscore, name){
         args.push(name);