[orca] Fix a mysterious Brltty crash triggered by Orca

[Joanmarie Diggs <joanied src gnome org>]

commit 12288676c11df8deb5e28798b0865a425d94a3b5
Author: Attila Hammer <hammera pickup hu>
Date:   Wed Feb 5 09:36:15 2014 +0100

    Fix a mysterious Brltty crash triggered by Orca

 src/orca/braille.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/braille.py b/src/orca/braille.py
index e09e541..2ef8a09 100644
--- a/src/orca/braille.py
+++ b/src/orca/braille.py
@@ -1313,7 +1313,7 @@ def refresh(panToCursor=True,
             if attributeMask:
                 attributeMask += '\x00'
             writeStruct.regionSize += 1
-        writeStruct.text = bytes(substring, 'UTF-8')
+        writeStruct.text = substring
         writeStruct.cursor = cursorCell
 
         # [[[WDW - if you want to muck around with the dots on the