Cleanup in //runtime/bin

runtime/bin/vmservice_impl.cc

Index: runtime/bin/vmservice_impl.cc
diff --git a/runtime/bin/vmservice_impl.cc b/runtime/bin/vmservice_impl.cc
index 08fd57a4da7b1798d5e9c9fbe25df72d83ff8e83..273640860a22a2086c2e8a1be0a44071aac5b98c 100644
--- a/runtime/bin/vmservice_impl.cc
+++ b/runtime/bin/vmservice_impl.cc
@@ -120,6 +120,7 @@ static void Shutdown(Dart_NativeArguments args) {
   // NO-OP.
 }
 
+
 struct VmServiceIONativeEntry {
   const char* name;
   int num_arguments;
@@ -271,7 +272,7 @@ bool VmService::Setup(const char* server_ip,
 
 
 const char* VmService::GetErrorMessage() {
-  return error_msg_ == NULL ? "No error." : error_msg_;
+  return (error_msg_ == NULL) ? "No error." : error_msg_;
 }