[orca] Add a sanity check to hopefully work around a Thunderbird timeout

[Joanmarie Diggs <joanied src gnome org>]

commit c733b28e4b8c9479490b582541445326cedfc608
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Feb 11 00:02:32 2014 -0500

    Add a sanity check to hopefully work around a Thunderbird timeout

 .../scripts/toolkits/Gecko/script_utilities.py     |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Gecko/script_utilities.py 
b/src/orca/scripts/toolkits/Gecko/script_utilities.py
index bb18309..ba4b299 100644
--- a/src/orca/scripts/toolkits/Gecko/script_utilities.py
+++ b/src/orca/scripts/toolkits/Gecko/script_utilities.py
@@ -305,7 +305,10 @@ class Utilities(script_utilities.Utilities):
                 debug.printStack(debug.LEVEL_WARNING)
                 return -1
 
-        attrs = obj.getAttributes()
+        try:
+            attrs = obj.getAttributes()
+        except:
+            attrs = None
         if attrs is None:
             return -1
         for attr in attrs: