Add Keywords entry to desktop file.

It is desirable (though not required) for .desktop files to contain a
"Keywords" entry for ease of indexing.

Based on a patch suggested by Robbie Harwood, rharwood club.cc.cmu edu.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37390 b3059339-0415-0410-9bf9-f77b7e298cf2

etc/mplayer.desktop

@@ -22,6 +22,7 @@ Comment[es]=Reproduce vídeos y música
 Comment[fr]=Lit les films et musiques
 Comment[it]=Riproduce filmati e musica
 Comment[ja]=動画や音声のファイルを再生します
+Keywords=Player;Capture;Audio;Music;Song;Video;Movie;Film;Clip;DVD;VCD;CD;Disc;DVB;TV;
 Icon=mplayer
 TryExec=gmplayer
 Exec=gmplayer %F