Bring mail_forward, mail_new, mail_replyall, mail_reply, mail_send, player_pause, player_play, player_stop, player_rew, player_fwd, player_start, player_end, rotate_ccw, rotate_cw, window_fullscreen, window_nofullscreen, window_new, viewmagfit, viewmag+, viewmag1, and viewmag- icons into XDG compliance

diff --git a/plugin/simplestyle.cpp b/plugin/simplestyle.cpp
index 2e5d5f2..e876c45 100644
--- a/plugin/simplestyle.cpp
+++ b/plugin/simplestyle.cpp
@@ -580,31 +580,31 @@
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaPlay:
-			iconLookupName = "player_play";
+			iconLookupName = "media-playback-start";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaStop:
-			iconLookupName = "player_stop";
+			iconLookupName = "media-playback-stop";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaPause:
-			iconLookupName = "player_pause";
+			iconLookupName = "media-playback-pause";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaSkipForward:
-			iconLookupName = "player_end";
+			iconLookupName = "media-skip-forward";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaSkipBackward:
-			iconLookupName = "player_start";
+			iconLookupName = "media-skip-backward";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaSeekForward:
-			iconLookupName = "player_fwd";
+			iconLookupName = "media-seek-forward";
 			retswitch = 3;
 			break;
 		case QStyle::SP_MediaSeekBackward:
-			iconLookupName = "player_rew";
+			iconLookupName = "media-seek-backward";
 			retswitch = 3;
 			break;
 // 		case QStyle::SP_MediaVolume: