bug 352188 - Fixes deleting event using DEL key. patch by michael.buettner@sun.com, r1=thomas.benisch, r2=dmose

calendar/base/content/calendar-month-view.xml

@@ -1453,7 +1453,7 @@
             event.keyCode == kKE.DOM_VK_DELETE)
         {
             if (!this.activeInPlaceEdit && this.mSelectedItems.length && this.controller) {
-                for each (var item in this.mSelectedItems.length) {
+                for each (var item in this.mSelectedItems) {
                     item = (event.ctrlKey) ? item.parentItem : item;
                     this.controller.deleteOccurrence(item);
                 }