[orca] Handle instance in which the "end" of a container is the container's ancestor

[Joanmarie Diggs <joanied src gnome org>]

commit 65f169c9ca3f4113e8cb220174ec876bea914dba
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sat Mar 11 11:18:59 2017 -0500

    Handle instance in which the "end" of a container is the container's ancestor

 src/orca/structural_navigation.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/structural_navigation.py b/src/orca/structural_navigation.py
index 0ebea92..58951b3 100644
--- a/src/orca/structural_navigation.py
+++ b/src/orca/structural_navigation.py
@@ -903,6 +903,8 @@ class StructuralNavigation:
         if not newObj:
             document = self._script.utilities.getDocumentForObject(obj)
             newObj = self._script.utilities.getNextObjectInDocument(obj, document)
+        elif pyatspi.findAncestor(container, lambda x: x == newObj):
+            newObj, newOffset = self._script.utilities.nextContext(newObj, newOffset)
 
         newContainer = self.getContainerForObject(newObj)
         if newObj and newContainer != container: