[gnome-mines] Add a translator comment to Keywords in the .desktop file

[Piotr Drąg <piotrdrag src gnome org>]

commit 96bdad7789e0334dd6e26b1d0b5a9e001f20983c
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu May 25 15:57:10 2017 +0200

    Add a translator comment to Keywords in the .desktop file
    
    Hopefully, we’ll get fewer broken translations.

 data/gnome-mines.desktop.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/gnome-mines.desktop.in b/data/gnome-mines.desktop.in
index ffbe669..32b0eab 100644
--- a/data/gnome-mines.desktop.in
+++ b/data/gnome-mines.desktop.in
@@ -7,6 +7,7 @@ Icon=gnome-mines
 Terminal=false
 Type=Application
 Categories=GNOME;GTK;Game;LogicGame;
+# Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list 
MUST also end with a semicolon!
 Keywords=minesweeper;
 StartupNotify=true
 Actions=Small;Medium;Big;