From ccd5fd83f407fd24193f0f703fe8753bd25f8817 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 27 Jan 2023 18:00:05 +0530
Subject: [PATCH] Fix warning from clang

---
 src/calibre/utils/windows/winutil.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calibre/utils/windows/winutil.cpp b/src/calibre/utils/windows/winutil.cpp
index d4a38b5ef1..143e168a19 100644
--- a/src/calibre/utils/windows/winutil.cpp
+++ b/src/calibre/utils/windows/winutil.cpp
@@ -222,6 +222,7 @@ static PyMethodDef Handle_methods[] = {
 class DeleteFileProgressSink : public IFileOperationProgressSink {  // {{{
  public:
   DeleteFileProgressSink() : m_cRef(0) {}
+  virtual ~DeleteFileProgressSink() = default;
 
  private:
   ULONG STDMETHODCALLTYPE AddRef(void) { InterlockedIncrement(&m_cRef); return m_cRef; }