Add running jobs scheduled time in director status

When a job fails and 'Reschedule On Error' is set to yes the job
would be rescheduled. Now when checking status of director with
bconsole it also shows what time it was rescheduled to.

src/dird/ua_status.c

@@ -1051,7 +1051,16 @@ static void list_running_jobs(UAContext *ua)
          msg = _("is waiting on max total jobs");
          break;
       case JS_WaitStartTime:
-         msg = _("is waiting for its start time");
+         emsg = (char *) get_pool_memory(PM_FNAME);
+         if (jcr->sched_time) {
+            char dt[MAX_TIME_LENGTH];
+            bstrftime_nc(dt, sizeof(dt), jcr->sched_time);
+            Mmsg(emsg, _("is waiting for its start time at %s"), dt);
+         } else {
+            Mmsg(emsg, _("is waiting for its start time"));
+         }
+         pool_mem = true;
+         msg = emsg;
          break;
       case JS_WaitPriority:
          msg = _("is waiting for higher priority jobs to finish");