Ticket #5621: setOption.patch

jquery.ui.sortable.

@@ -81 +81 @@
                                 [ value ? "addClass" : "removeClass"]( "ui-sortable-disabled" );
                 } else {
                         // Don't call widget base _setOption for disable as it adds ui-state-disabled class
-                        $.Widget.prototype._setOption.apply(self, arguments);
+                        $.Widget.prototype._setOption.apply(this, arguments);
                 }
         },