[gnome-getting-started-docs] Add Language headers to po files

[Piotr Drąg <piotrdrag src gnome org>]

commit 30f83c5add2cad4abc239202c037c99d37d24a6a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Jul 19 19:35:36 2016 +0200

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

 gnome-help/as/as.po       |    2 +-
 gnome-help/gu/gu.po       |    2 +-
 gnome-help/zh_HK/zh_HK.po |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gnome-help/as/as.po b/gnome-help/as/as.po
index e4106a4..fe25f9c 100644
--- a/gnome-help/as/as.po
+++ b/gnome-help/as/as.po
@@ -6,7 +6,7 @@ msgstr ""
 "PO-Revision-Date: 2013-11-11 13:41+0630\n"
 "Last-Translator: Nilamdyuti Goswami <ngoswami redhat com>\n"
 "Language-Team: American English <kde-i18n-doc kde org>\n"
-"Language: en_US\n"
+"Language: as\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/gnome-help/gu/gu.po b/gnome-help/gu/gu.po
index 092a8ec..ebd8b75 100644
--- a/gnome-help/gu/gu.po
+++ b/gnome-help/gu/gu.po
@@ -6,7 +6,7 @@ msgstr ""
 "PO-Revision-Date: 2014-12-11 12:56+0530\n"
 "Last-Translator: \n"
 "Language-Team: American English <kde-i18n-doc kde org>\n"
-"Language: \n"
+"Language: gu\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/gnome-help/zh_HK/zh_HK.po b/gnome-help/zh_HK/zh_HK.po
index 23f4f7e..ad7e3a7 100644
--- a/gnome-help/zh_HK/zh_HK.po
+++ b/gnome-help/zh_HK/zh_HK.po
@@ -10,7 +10,7 @@ msgstr ""
 "PO-Revision-Date: 2014-03-10 19:25+0800\n"
 "Last-Translator: Cheng-Chia Tseng <pswo10680 gmail com>\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"