[orca/gnome-3-36] Prevent endless loop in HTML table with semantics overridden by ARIA

[Joanmarie Diggs <joanied src gnome org>]

commit dd04a3c9941fca2f5e3762c1fb83556969d4f4b2
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue May 5 11:51:23 2020 -0400

    Prevent endless loop in HTML table with semantics overridden by ARIA

 src/orca/structural_navigation.py | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/orca/structural_navigation.py b/src/orca/structural_navigation.py
index d87674368..544b8ab12 100644
--- a/src/orca/structural_navigation.py
+++ b/src/orca/structural_navigation.py
@@ -855,6 +855,8 @@ class StructuralNavigation:
                     desiredRow -= 1
                 elif rowDiff > 0:
                     desiredRow += 1
+                else:
+                    break
             else:
                 break