Add accessor.

Author: dkocher

binding/src/main/java/ch/cyberduck/binding/AlertController.java

@@ -42,7 +42,7 @@ public abstract class AlertController extends SheetController implements InputVa
     private boolean suppressed = false;
 
     @Outlet
-    protected NSAlert alert;
+    private NSAlert alert;
 
     public AlertController() {
         super();
@@ -66,6 +66,10 @@ public NSView getAccessoryView(final NSAlert alert) {
 
     public abstract NSAlert loadAlert();
 
+    public NSAlert alert() {
+        return alert;
+    }
+
     @Override
     public void loadBundle() {
         alert = this.loadAlert();

binding/src/main/java/ch/cyberduck/binding/SystemAlertController.java

@@ -20,7 +20,7 @@
 public class SystemAlertController extends AlertController {
 
     @Outlet
-    protected NSAlert alert;
+    private NSAlert alert;
 
     public SystemAlertController(final NSAlert alert) {
         this.alert = alert;
@@ -30,4 +30,9 @@ public SystemAlertController(final NSAlert alert) {
     public NSAlert loadAlert() {
         return alert;
     }
+
+    @Override
+    public NSAlert alert() {
+        return alert;
+    }
 }