fix table name/column name length check

src/client/src/tscParseLineProtocol.c

@@ -2338,6 +2338,7 @@ static SSqlObj* createSmlQueryObj(TAOS* taos, int32_t affected_rows, int32_t cod
   }
   pNew->signature = pNew;
   pNew->pTscObj = taos;
+  pNew->fp = NULL;
 
   tsem_init(&pNew->rspSem, 0, 0);
   registerSqlObj(pNew);