[orca] Be sure we are using the default voice if the requested voice undefined

[Joanmarie Diggs <joanied src gnome org>]

commit e54307f03d542040aebad99be0408f9eb2870160
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Sep 12 16:37:35 2014 -0400

    Be sure we are using the default voice if the requested voice undefined

 src/orca/speech_generator.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index cb7a760..0470733 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -1914,7 +1914,7 @@ class SpeechGenerator(generator.Generator):
         voicename = voiceType.get(key) or voiceType.get(DEFAULT)
         voices = _settingsManager.getSetting('voices')
         rv = voices.get(voicename)
-        if rv and rv.get('established') == False:
-            rv.pop('established')
+        if not rv or rv.get('established') == False:
+            rv = voices.get(voiceType.get(DEFAULT))
 
         return [acss.ACSS(rv)]