[gnome-control-center] thunderbolt: add a translator comment to the .desktop file

[Piotr Drąg <piotrdrag src gnome org>]

commit da0172274f796baabf681a2e6a4f0b227febcd6c
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Fri Apr 13 18:51:53 2018 +0200

    thunderbolt: add a translator comment to the .desktop file

 panels/thunderbolt/gnome-thunderbolt-panel.desktop.in.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/panels/thunderbolt/gnome-thunderbolt-panel.desktop.in.in 
b/panels/thunderbolt/gnome-thunderbolt-panel.desktop.in.in
index abd317341..12ba0330c 100644
--- a/panels/thunderbolt/gnome-thunderbolt-panel.desktop.in.in
+++ b/panels/thunderbolt/gnome-thunderbolt-panel.desktop.in.in
@@ -2,6 +2,7 @@
 Name=Thunderbolt
 Comment=Manage Thunderbolt devices
 Exec=gnome-control-center thunderbolt
+# Translators: Do NOT translate or transliterate this text (this is an icon file name)!
 Icon=thunderbolt
 Terminal=false
 Type=Application