[PATCH]add debug log for config update

src/maat_fqdn_plugin.c

@@ -439,6 +439,10 @@ int fqdn_plugin_runtime_update(void *fqdn_plugin_runtime, void *fqdn_plugin_sche
             fqdn_plugin_rt->update_err_cnt++;
             return -1;
         }
+
+        log_debug(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
+                  "fqdn_plugin table:<%s> update one line, key:%s, key_len:%zu, is_valid:%d",
+                  table_name, key, key_len, is_valid);
     } else {
         //ex_schema not set
         ex_data_runtime_cache_row_put(fqdn_plugin_rt->ex_data_rt, line);