[orca] Fix for bug 708497 - Orca fails to present GtkButton children of a GtkListBox row

[Joanmarie Diggs <joanied src gnome org>]

commit 59b7277e03aa201f23fd20a09116304bc093ba13
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Sep 20 16:40:01 2013 -0400

    Fix for bug 708497 - Orca fails to present GtkButton children of a GtkListBox row

 src/orca/generator.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/generator.py b/src/orca/generator.py
index c21c3fc..0031757 100644
--- a/src/orca/generator.py
+++ b/src/orca/generator.py
@@ -520,6 +520,7 @@ class Generator:
     def _generateChildWidget(self, obj, **args):
         widgetRoles = [pyatspi.ROLE_CHECK_BOX,
                        pyatspi.ROLE_COMBO_BOX,
+                       pyatspi.ROLE_PUSH_BUTTON,
                        pyatspi.ROLE_RADIO_BUTTON,
                        pyatspi.ROLE_SLIDER,
                        pyatspi.ROLE_TOGGLE_BUTTON]