wine.desktop: Add Icon=wine to support systems with icon themes.
diff --git a/tools/wine.desktop b/tools/wine.desktop
index 2048f9d..819560e 100644
--- a/tools/wine.desktop
+++ b/tools/wine.desktop
@@ -19,5 +19,6 @@
 Name[sr]=Wine - дизач Windows програма
 Exec=wine start /unix %f
 MimeType=application/x-ms-dos-executable;application/x-msi;application/x-win-lnk;
+Icon=wine
 NoDisplay=true
 StartupNotify=true