Fix ntp_sync_to_rtc().

ntp/ntp.c

@@ -241,6 +241,7 @@ time_t ntp_sync_to_rtc(void)
 
     if (cur_time)
     {
+        localtime_r(&cur_time, &cur_tm);
         set_time(cur_tm.tm_hour, cur_tm.tm_min, cur_tm.tm_sec);
         set_date(cur_tm.tm_year + 1900, cur_tm.tm_mon + 1, cur_tm.tm_mday);
     }