src: mark virtual functions with override keyword

Add `override` keywords where appropriate.  Makes maintenance easier
because the compiler will shout at you when a base class changes in
an incompatible way.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/handle_wrap.h b/src/handle_wrap.h
index 4f6f6e0323..40ee75cd81 100644
--- a/src/handle_wrap.h
+++ b/src/handle_wrap.h
@@ -64,7 +64,7 @@ class HandleWrap : public AsyncWrap {
              v8::Handle<v8::Object> object,
              uv_handle_t* handle,
              AsyncWrap::ProviderType provider);
-  virtual ~HandleWrap();
+  virtual ~HandleWrap() override;
 
  private:
   friend void GetActiveHandles(const v8::FunctionCallbackInfo<v8::Value>&);