am 52eafbb7: Merge "fix monkey NPE" into jb-dev

* commit '52eafbb7601eac6ce0011edeb2a73ffccb6fb751':
  fix monkey NPE
diff --git a/src/com/android/browser/PieControl.java b/src/com/android/browser/PieControl.java
index abe8d37..7c4291c 100644
--- a/src/com/android/browser/PieControl.java
+++ b/src/com/android/browser/PieControl.java
@@ -115,7 +115,9 @@
         int n = mUiController.getTabControl().getTabCount();
         mTabsCount.setText(Integer.toString(n));
         Tab tab = mUiController.getCurrentTab();
-        mForward.setEnabled(tab.canGoForward());
+        if (tab != null) {
+            mForward.setEnabled(tab.canGoForward());
+        }
         return true;
     }