Preferences: fix missing slot problem when creating new account

This is still a left over from the damage done when creating the
preferences objectification.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

desktop-widgets/preferences/preferences_network.h

@@ -18,11 +18,11 @@ public:
 
 public slots:
 	void proxyType_changed(int i);
+	void cloudPinNeeded();
 
 private:
 	Ui::PreferencesNetwork *ui;
-	void cloudPinNeeded();
 	void passwordUpdateSuccessfull();
 };
 
-#endif
+#endif