[grilo] Add Language headers to po files

[Piotr Drąg <piotrdrag src gnome org>]

commit 2daf86f7f61b6b1d2ee3c528ab2d16b87900d507
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 21 22:37:55 2016 +0200

    Add Language headers to po files
    
    Future versions of gettext will fail if this header is missing.

 po/ca valencia po |    2 +-
 po/nb.po          |    2 +-
 po/sl.po          |    2 +-
 po/sr latin po    |    2 +-
 po/tr.po          |    2 +-
 po/zh_HK.po       |    2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/po/ca valencia po b/po/ca valencia po
index 8b043a3..bdcd284 100644
--- a/po/ca valencia po
+++ b/po/ca valencia po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2013-08-30 23:05+0200\n"
 "Last-Translator: Gil Forcada <gilforcada guifi net>\n"
 "Language-Team: Catalan <tradgnome softcatala org>\n"
-"Language: ca-XV\n"
+"Language: ca@valencia\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bits\n"
diff --git a/po/nb.po b/po/nb.po
index e66889e..c636c50 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2016-01-10 20:01+0100\n"
 "Last-Translator: Kjartan Maraas <kmaraas gnome org>\n"
 "Language-Team: Norwegian bokmål <i18n-nb lister ping uio no>\n"
-"Language: \n"
+"Language: nb\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/sl.po b/po/sl.po
index 15a1aa5..bbd3d3d 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2016-03-05 21:13+0100\n"
 "Last-Translator: Matej Urbančič <mateju svn gnome org>\n"
 "Language-Team: Slovenščina <gnome-si googlegroups com>\n"
-"Language: sl_SI\n"
+"Language: sl\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/sr latin po b/po/sr latin po
index 4735606..f47b23b 100644
--- a/po/sr latin po
+++ b/po/sr latin po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2016-02-19 19:28+0200\n"
 "Last-Translator: Miroslav Nikolić <miroslavnikolic rocketmail com>\n"
 "Language-Team: Serbian <gnom prevod org>\n"
-"Language: sr\n"
+"Language: sr@latin\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/tr.po b/po/tr.po
index 41cef79..4dc9fe8 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2015-09-17 21:02+0300\n"
 "Last-Translator: Muhammet Kara <muhammetk gmail com>\n"
 "Language-Team: Türkçe <gnome-turk gnome org>\n"
-"Language: tr_TR\n"
+"Language: tr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/zh_HK.po b/po/zh_HK.po
index ab6f200..fdde942 100644
--- a/po/zh_HK.po
+++ b/po/zh_HK.po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2013-08-16 10:10+0800\n"
 "Last-Translator: Chao-Hsiung Liao <j_h_liau yahoo com tw>\n"
 "Language-Team: Chinese (Hong Kong) <community linuxhall org>\n"
-"Language: zh_TW\n"
+"Language: zh_HK\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"