fix menu on tablet

Change-Id: I85b075d715a571faa78b50e45347d4e1eb2a712b
diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index 7216d5e..7512949 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -1485,8 +1485,10 @@
 
         final MenuItem source = menu.findItem(mInLoad ? R.id.stop_menu_id : R.id.reload_menu_id);
         final MenuItem dest = menu.findItem(R.id.stop_reload_menu_id);
-        dest.setTitle(source.getTitle());
-        dest.setIcon(source.getIcon());
+        if (source != null && dest != null) {
+            dest.setTitle(source.getTitle());
+            dest.setIcon(source.getIcon());
+        }
 
         // decide whether to show the share link option
         PackageManager pm = mActivity.getPackageManager();