Time prefs: Set pointer NULL, delete in destructor

... avoiding potential memory leak.

src/preferences/time/NetworkTimeView.cpp

@@ -269,6 +269,14 @@ NetworkTimeView::NetworkTimeView(const char* name)
 	:
 	BGroupView(name, B_VERTICAL, B_USE_DEFAULT_SPACING),
 	fSettings(),
+	fServerTextControl(NULL),
+	fAddButton(NULL),
+	fRemoveButton(NULL),
+	fResetButton(NULL),
+	fServerListView(NULL),
+	fTryAllServersCheckBox(NULL),
+	fSynchronizeAtBootCheckBox(NULL),
+	fSynchronizeButton(NULL),
 	fUpdateThread(-1)
 {
 	fSettings.Load();
@@ -276,6 +284,19 @@ NetworkTimeView::NetworkTimeView(const char* name)
 }
 
 
+NetworkTimeView::~NetworkTimeView()
+{
+	delete fServerTextControl;
+	delete fAddButton;
+	delete fRemoveButton;
+	delete fResetButton;
+	delete fServerListView;
+	delete fTryAllServersCheckBox;
+	delete fSynchronizeAtBootCheckBox;
+	delete fSynchronizeButton;
+}
+
+
 void
 NetworkTimeView::MessageReceived(BMessage* message)
 {

src/preferences/time/NetworkTimeView.h

@@ -84,6 +84,7 @@ private:
 class NetworkTimeView : public BGroupView {
 public:
 							NetworkTimeView(const char* name);
+	virtual					~NetworkTimeView();
 
 	virtual	void			MessageReceived(BMessage* message);
 	virtual	void			AttachedToWindow();