Updated for new FolderListener API

src/i2p/bote/android/ViewEmailActivity.java

@@ -164,7 +164,7 @@ public class ViewEmailActivity extends ActionBarActivity implements
         // FolderListener
 
         @Override
-        public void elementAdded() {
+        public void elementAdded(String messageId) {
             onContentChanged();
         }
 
@@ -174,7 +174,7 @@ public class ViewEmailActivity extends ActionBarActivity implements
         }
 
         @Override
-        public void elementRemoved() {
+        public void elementRemoved(String messageId) {
             onContentChanged();
         }
     }