[niepce] Add Language headers to po files

[Piotr Drąg <piotrdrag src gnome org>]

commit c3378af9718a4d909aef87d33f7e9303b2bcbcfa
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Jul 25 01:40:20 2016 +0200

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

 po/eo.po       |    1 +
 po/es.po       |    2 +-
 po/fr.po       |    1 +
 po/nb.po       |    2 +-
 po/ru.po       |    1 +
 po/sl.po       |    2 +-
 po/sr latin po |    2 +-
 po/zh_CN.po    |    1 +
 8 files changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/po/eo.po b/po/eo.po
index 59a3782..ad3493a 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -11,6 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2011-11-17 17:00+0100\n"
 "Last-Translator: Kristjan SCHMIDT <kristjan schmidt googlemail com>\n"
 "Language-Team: Esperanto <gnome-l10n-eo lists launchpad net>\n"
+"Language: eo\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bits\n"
diff --git a/po/es.po b/po/es.po
index 8f09e29..dbe9fc0 100644
--- a/po/es.po
+++ b/po/es.po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2015-12-01 15:35+0100\n"
 "Last-Translator: Daniel Mustieles <daniel mustieles gmail com>\n"
 "Language-Team: Español; Castellano <gnome-es-list gnome org>\n"
-"Language: \n"
+"Language: es\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/fr.po b/po/fr.po
index 8ce0376..5b310d7 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -14,6 +14,7 @@ msgstr ""
 "PO-Revision-Date: 2012-05-18 23:33+0200\n"
 "Last-Translator: Alain Lojewski <allomervan gmail com>\n"
 "Language-Team: GNOME French Team <gnomefr traduc org>\n"
+"Language: fr\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/nb.po b/po/nb.po
index d957c76..363930a 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2011-03-14 19:08+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/ru.po b/po/ru.po
index e2c0a89..8cf480e 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -6,6 +6,7 @@ msgstr ""
 "PO-Revision-Date: 2009-07-20 14:39+0400\n"
 "Last-Translator: Alexandre Prokoudine <alexandre prokoudine gmail com>\n"
 "Language-Team: GNOME Russian <gnome-cyr lists gnome org>\n"
+"Language: ru\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 3373c6c..8b0b77c 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2013-09-12 19:58+0100\n"
 "Last-Translator: Matej Urbančič <mateju svn gnome org>\n"
 "Language-Team: Slovenian GNOME Translation Team <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 98d6e7a..ccda19c 100644
--- a/po/sr latin po
+++ b/po/sr latin po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2016-01-03 15:36+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/zh_CN.po b/po/zh_CN.po
index 06d42a9..6644c12 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -13,6 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2011-04-02 18:37+0800\n"
 "Last-Translator: 微尘 <squeeze 189 cn>\n"
 "Language-Team: Chinese (China) <i18n-zh googlegroups com>\n"
+"Language: zh_CN\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"