Static Code Analysis : Add virtual attribute to destructor of classes that have virtual methods inherited from a base class

src/Format/FormatCom.cpp

@@ -35,7 +35,7 @@ public:
 		InterlockedIncrement (&ObjectCount);
 	}
 
-	~TrueCryptFormatCom ()
+	virtual ~TrueCryptFormatCom ()
 	{
 		if (InterlockedDecrement (&ObjectCount) == 0)
 			PostThreadMessage (MessageThreadId, WM_APP, 0, 0);

src/Mount/MainCom.cpp

@@ -31,7 +31,7 @@ public:
 		InterlockedIncrement (&ObjectCount);
 	}
 
-	~TrueCryptMainCom ()
+	virtual ~TrueCryptMainCom ()
 	{
 		if (InterlockedDecrement (&ObjectCount) == 0)
 			PostThreadMessage (MessageThreadId, WM_APP, 0, 0);