[orca] Fix bug getting phonetic equivalent for capital letters

[Joanmarie Diggs <joanied src gnome org>]

commit 1bc116654abac60b8ca7d0359285db052f05ecfa
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Jul 28 00:43:13 2016 -0400

    Fix bug getting phonetic equivalent for capital letters

 src/orca/scripts/default.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/scripts/default.py b/src/orca/scripts/default.py
index 4f4dd20..f111a4d 100644
--- a/src/orca/scripts/default.py
+++ b/src/orca/scripts/default.py
@@ -3603,7 +3603,7 @@ class Script(script.Script):
 
         for (charIndex, character) in enumerate(itemString):
             voice = self.speechGenerator.voice(string=character)
-            phoneticString = phonnames.getPhoneticName(character)
+            phoneticString = phonnames.getPhoneticName(character.lower())
             speech.speak(phoneticString, voice)
 
     def _saveLastCursorPosition(self, obj, caretOffset):