[gedit-plugins/translate] Standarize lang code

[Jordi Mas <jmas src gnome org>]

commit a113e86ac64aadb476a8abbb48a307d0fbf501a3
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Mar 4 22:46:57 2018 +0100

    Standarize lang code

 plugins/translate/translate/services/yandex.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/translate/translate/services/yandex.py b/plugins/translate/translate/services/yandex.py
index bde055b..9c7d050 100644
--- a/plugins/translate/translate/services/yandex.py
+++ b/plugins/translate/translate/services/yandex.py
@@ -32,7 +32,7 @@ class Yandex(Service):
             "Catalan -> English",
             "English -> Catalan"]
 
-    DEFAULT_LANGUAGE_CODES = ["es-en",
+    DEFAULT_LANGUAGE_CODES = ["es|en",
             "en|es",
             "ca|en",
             "en|ca",