made destructor virtual and fixed include to end with a lowercase .h

xpfe/appshell/src/nsNetSupportDialog.cpp

@@ -31,7 +31,7 @@
 #include "nsAppShellCIDs.h"
 #include "nsIURL.h"
 #include "nsIDOMHTMLInputElement.h"
-#include "nsIWebShellWindow.H"
+#include "nsIWebShellWindow.h"
 #include "nsIDOMEventReceiver.h"
 #include "nsIURL.h"
 

xpfe/appshell/src/nsNetSupportDialog.h

@@ -30,7 +30,7 @@ class nsNetSupportDialog  : public nsINetSupportDialogService, public nsIXULWind
 {
 public:
 			nsNetSupportDialog();
-			~nsNetSupportDialog();
+			virtual ~nsNetSupportDialog();
 	NS_IMETHOD 	Alert( const nsString &aText );
   	NS_IMETHOD 	Confirm( const nsString &aText,PRInt32* returnValue );