[goocanvas/goocanvas-2.0] Add Language headers to po files

[Piotr Drąg <piotrdrag src gnome org>]

commit 532e1773f7cddc2a8ccec478e6d15894a6402e57
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Feb 21 19:48:02 2017 +0100

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

 po/en_GB.po |    1 +
 po/es.po    |    2 +-
 po/ja.po    |    1 +
 po/sv.po    |    1 +
 4 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/po/en_GB.po b/po/en_GB.po
index ec5edba..0e92428 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -11,6 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2006-04-24 16:26+0100\n"
 "Last-Translator: Damon Chaplin <damon gnome org>\n"
 "Language-Team: \n"
+"Language: en_GB\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/es.po b/po/es.po
index 765720b..8747ef0 100644
--- a/po/es.po
+++ b/po/es.po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2017-01-11 09:27+0100\n"
 "Last-Translator: Daniel Mustieles <daniel mustieles gmail com>\n"
 "Language-Team: es <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/ja.po b/po/ja.po
index 874d69e..c3d8b53 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -11,6 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2008-04-28 20:42+0900\n"
 "Last-Translator: kou cozmixng org <kou cozmixng org>\n"
 "Language-Team:\n"
+"Language: ja\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/sv.po b/po/sv.po
index 987ed16..64c3b68 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -11,6 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2010-07-27 12:08+0100\n"
 "Last-Translator: Daniel Nylander <po danielnylander se>\n"
 "Language-Team: Swedish <tp-sv listor tp-sv se>\n"
+"Language: sv\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"