[orca] Fix bug causing accessing preferences to fail for esperanto

[Joanmarie Diggs <joanied src gnome org>]

commit 3782eb934e44dcc6f790fb175ddf6677d77c59ab
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Jan 31 12:55:29 2022 +0100

    Fix bug causing accessing preferences to fail for esperanto

 src/orca/speechdispatcherfactory.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/orca/speechdispatcherfactory.py b/src/orca/speechdispatcherfactory.py
index d02733d50..ad8b48b64 100644
--- a/src/orca/speechdispatcherfactory.py
+++ b/src/orca/speechdispatcherfactory.py
@@ -564,7 +564,7 @@ class SpeechServer(speechserver.SpeechServer):
         # set according to the current locale.
         from locale import getlocale, LC_MESSAGES
         locale = getlocale(LC_MESSAGES)[0]
-        if locale is None or locale == 'C':
+        if locale is None or not '_' in locale:
             locale_language = None
         else:
             locale_lang, locale_dialect = locale.split('_')