Network: added ability to sort ServiceListItems correctly.

* Added ServiceListItem::Label() method.

src/preferences/network/NetworkWindow.cpp

@@ -44,6 +44,7 @@
 
 #include "InterfaceListItem.h"
 #include "InterfaceView.h"
+#include "ServiceListItem.h"
 
 
 const char* kNetworkStatusSignature = "application/x-vnd.Haiku-NetworkStatus";
@@ -574,6 +575,10 @@ NetworkWindow::_ItemName(const BListItem* item)
 			const BNetworkInterfaceListItem*>(item))
 		return listItem->Label();
 
+	if (const ServiceListItem* listItem = dynamic_cast<
+			const ServiceListItem*>(item))
+		return listItem->Label();
+
 	if (const BStringItem* stringItem = dynamic_cast<const BStringItem*>(item))
 		return stringItem->Text();
 

src/preferences/network/ServiceListItem.h

@@ -25,6 +25,8 @@ public:
 									const BNetworkSettings& settings);
 	virtual						~ServiceListItem();
 
+			const char*			Label() const { return fLabel; }
+
 	virtual	void				DrawItem(BView* owner,
 									BRect bounds, bool complete);
 	virtual	void				Update(BView* owner, const BFont* font);