Fix header names in URLHandlers prefs dialog.

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/prefs/URLConfigPanel.java

@@ -124,6 +124,7 @@ public class URLConfigPanel extends JPanel implements
     private void initComponents() {
         tableScrollPane = new JScrollPane();
         model = new GenericTableModel<>(URLHandlerHolder.class, "getUri", "getHandler");
+        model.setHeaderNames("Protocol", "Handler");
         table = new PackingTable(model, tableScrollPane);
         table.setDefaultRenderer(URISchemeCellRenderer.class, new URISchemeCellRenderer());
         table.setDefaultRenderer(URIHandlerCellRenderer.class, new URIHandlerCellRenderer());

ui_swing/src/com/dmdirc/addons/ui_swing/dialogs/prefs/URLHandlerHolder.java

@@ -48,11 +48,11 @@ public class URLHandlerHolder {
         return handler;
     }
 
-    public void setUri(URI uri) {
+    public void setUri(final URI uri) {
         this.uri = uri;
     }
 
-    public void setHandler(String handler) {
+    public void setHandler(final String handler) {
         this.handler = handler;
     }
 }