fix vnodeClearMeterState() called twice

src/system/detail/src/vnodeMeter.c

@@ -786,17 +786,16 @@ void vnodeUpdateMeter(void *param, void *tmrId) {
       return;
     }
 
+    vnodeClearMeterState(pObj, TSDB_METER_STATE_UPDATING);
+
     if (taosTmrStart(vnodeUpdateMeter, 50, pNew, vnodeTmrCtrl) == NULL) {
       dError("vid:%d sid:%d id:%s, failed to start update timer", pNew->vnode, pNew->sid, pNew->meterId);
-      vnodeClearMeterState(pObj, TSDB_METER_STATE_UPDATING);
       free(pNew->schema);
       free(pNew);
     } else {
       dTrace("vid:%d sid:%d meterId:%s, there are data in cache, commit first, update later",
            pNew->vnode, pNew->sid, pNew->meterId);
     }
-
-    vnodeClearMeterState(pObj, TSDB_METER_STATE_UPDATING);
     return;
   }