2 files changed, 7 insertions, 6 deletions
diff --git a/Swiften/Crypto/WindowsCryptoProvider.cpp b/Swiften/Crypto/WindowsCryptoProvider.cpp
index a6ae7a4..db4b2bf 100644
--- a/Swiften/Crypto/WindowsCryptoProvider.cpp
+++ b/Swiften/Crypto/WindowsCryptoProvider.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012 Isode Limited.
+ * Copyright (c) 2012-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
@@ -39,7 +39,7 @@ namespace {
 				}
 			}
 
-			~WindowsHash() {
+			virtual ~WindowsHash() {
 				CryptDestroyHash(hash);
 			}
 
diff --git a/Swiften/Crypto/WindowsCryptoProvider.h b/Swiften/Crypto/WindowsCryptoProvider.h
index bd06b6e..b3f6f29 100644
--- a/Swiften/Crypto/WindowsCryptoProvider.h
+++ b/Swiften/Crypto/WindowsCryptoProvider.h
@@ -1,21 +1,22 @@
 /*
- * Copyright (c) 2013  Isode Limited.
+ * Copyright (c) 2013-2016 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
-#include <Swiften/Crypto/CryptoProvider.h>
-#include <Swiften/Base/Override.h>
 #include <boost/noncopyable.hpp>
 #include <boost/shared_ptr.hpp>
 
+#include <Swiften/Base/Override.h>
+#include <Swiften/Crypto/CryptoProvider.h>
+
 namespace Swift {
 	class WindowsCryptoProvider : public CryptoProvider, public boost::noncopyable {
 		public:
 			WindowsCryptoProvider();
-			~WindowsCryptoProvider();
+			virtual ~WindowsCryptoProvider();
 
 			virtual Hash* createSHA1() SWIFTEN_OVERRIDE;
 			virtual Hash* createMD5() SWIFTEN_OVERRIDE;