Bug 304826 Fix variable summerTZname. patch by tianchunbinghe@gmail.com r=jminta

calendar/resources/content/calendarUtils.js

@@ -219,7 +219,7 @@ function guessSystemTimezone()
         }
         if (winterOffset == standardTZOffset && winterOffset == summerOffset &&
            !daylight) {
-            if(!standardName || standardName == summerTZName)
+            if(!standardName || standardName == summerTZname)
                 return 2;
             return 1;
         }