Fix bug 413656 - Future events/tasks are reported to be 'today' in alarms. r=philipp p=giermann@funke.de

git-svn-id: svn://10.0.0.236/trunk@244081 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/calendar/base/content/calendar-alarm-widget.xml

@@ -155,9 +155,9 @@
 
           var sinceAlarm = currentDate.subtractDate(startDate).inSeconds;
 
-          this.mAlarmToday = (sinceAlarm < sinceDayStart);
+          this.mAlarmToday = (sinceAlarm < sinceDayStart) && (sinceAlarm > sinceDayStart - 86400);
 
-          if (sinceAlarm < sinceDayStart) {
+          if (this.mAlarmToday) {
               // The alarm is today
               relativeDateString = calGetString("calendar",
                                                 "alarmTodayAt",