[orca] Look up single-character labels in chnames

[Joanmarie Diggs <joanied src gnome org>]

commit 73259738758abc7e104064dd9292ed9c86e88f14
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Mar 26 15:32:49 2018 -0400

    Look up single-character labels in chnames

 src/orca/speech_generator.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/speech_generator.py b/src/orca/speech_generator.py
index 92a1a4e..e9d9441 100644
--- a/src/orca/speech_generator.py
+++ b/src/orca/speech_generator.py
@@ -449,6 +449,10 @@ class SpeechGenerator(generator.Generator):
         labels = self._script.utilities.unrelatedLabels(obj, visibleOnly)
         for label in labels:
             name = self._generateName(label, **args)
+            if name[0] and len(name[0]) == 1:
+                charname = chnames.getCharacterName(name[0])
+                if charname:
+                    name[0] = charname
             result.extend(name)
         if result:
             result.extend(acss)