[meld] Add Language headers to po files

[Piotr Drąg <piotrdrag src gnome org>]

commit 03fa5c7f2f8517c0f4ccc5b5c807028570f91d1d
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Jul 24 20:59:11 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/oc.po          |    2 +-
 po/rw.po          |    1 -
 po/sl.po          |    2 +-
 po/sr latin po    |    2 +-
 5 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/po/ca valencia po b/po/ca valencia po
index bcd017a..63b334f 100644
--- a/po/ca valencia po
+++ b/po/ca valencia po
@@ -15,7 +15,7 @@ msgstr ""
 "PO-Revision-Date: 2014-10-13 00:01+0200\n"
 "Last-Translator: JoanColl <jcoll2 gmail com>\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/oc.po b/po/oc.po
index a2e46d1..81f981e 100644
--- a/po/oc.po
+++ b/po/oc.po
@@ -11,7 +11,7 @@ msgstr ""
 "PO-Revision-Date: 2016-03-17 22:33+0100\n"
 "Last-Translator: Cédric Valmary (totenoc.eu) <cvalmary yahoo fr>\n"
 "Language-Team: Tot En Òc\n"
-"Language: fr\n"
+"Language: oc\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/po/rw.po b/po/rw.po
index 01cc380..0dbcbb2 100644
--- a/po/rw.po
+++ b/po/rw.po
@@ -23,7 +23,6 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"ULL NAME <EMAIL@ADDRESS>\n"
 
 #: meld.desktop.in.h:1
 #, fuzzy
diff --git a/po/sl.po b/po/sl.po
index 0c10e6a..8a1cd8f 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -13,7 +13,7 @@ msgstr ""
 "PO-Revision-Date: 2015-03-24 19:50+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 de30f9d..eb3fd05 100644
--- a/po/sr latin po
+++ b/po/sr latin po
@@ -14,7 +14,7 @@ msgstr ""
 "PO-Revision-Date: 2016-03-09 09:19+0200\n"
 "Last-Translator: Miroslav Nikolić <miroslavnikolic rocketmail com>\n"
 "Language-Team: Serbian <(nothing)>\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"