[gnome-music] Add translator comments to the .desktop file

[Piotr Drąg <piotrdrag src gnome org>]

commit 16f06f46b626e636ab800282a7fee1b3a7bc41f3
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 12 13:13:44 2017 +0200

    Add translator comments to the .desktop file
    
    So hopefully we get fewer invalid translations that possibly break build.

 data/org.gnome.Music.desktop.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.Music.desktop.in b/data/org.gnome.Music.desktop.in
index 6c11b09..013cba6 100644
--- a/data/org.gnome.Music.desktop.in
+++ b/data/org.gnome.Music.desktop.in
@@ -2,10 +2,12 @@
 Name=Music
 GenericName=Music Player
 Comment=Play and organize your music collection
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=gnome-music
 Exec=gnome-music
 Terminal=false
 Type=Application
 Categories=GNOME;GTK;AudioVideo;Player;Audio;
+# Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list 
MUST also end with a semicolon!
 Keywords=Music;Player;
 StartupNotify=true