Replacing the OVERRIDE with override and FINAL with final in /src/gin

gin/array_buffer.h

Index: gin/array_buffer.h
diff --git a/gin/array_buffer.h b/gin/array_buffer.h
index a07a472da0e792e3e536e1864e9f2393e4f3f4ac..048a35fc61935478e61a3cf3b02010ac59579524 100644
--- a/gin/array_buffer.h
+++ b/gin/array_buffer.h
@@ -16,9 +16,9 @@ namespace gin {
 
 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
  public:
-  virtual void* Allocate(size_t length) OVERRIDE;
-  virtual void* AllocateUninitialized(size_t length) OVERRIDE;
-  virtual void Free(void* data, size_t length) OVERRIDE;
+  virtual void* Allocate(size_t length) override;
+  virtual void* AllocateUninitialized(size_t length) override;
+  virtual void Free(void* data, size_t length) override;
 
   GIN_EXPORT static ArrayBufferAllocator* SharedInstance();
 };