Index: /CKEditor/trunk/_source/plugins/menu/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/menu/plugin.js	(revision 3195)
+++ /CKEditor/trunk/_source/plugins/menu/plugin.js	(revision 3196)
@@ -279,5 +279,7 @@
 					' onclick="CKEDITOR.tools.callFunction(', menu._.itemClickFn, ',', index, ');"' +
 					'>' +
-						'<span class="cke_icon"></span>' +
+						'<span class="cke_icon"' +
+							( this.icon ? ' style="background-image:url(' + CKEDITOR.getUrl( this.icon ) + ');background-position:0 0;"' : '' ) +
+							'></span>' +
 						'<span class="cke_label">' );