luci: fix translate typo

package/luci-compat/files/luci/i18n/smartdns.zh-cn.po

@@ -429,7 +429,7 @@ msgid "Update Files"
 msgstr "更新文件"
 
 msgid "Upload Config File"
-msgstr "上传域名列表文件"
+msgstr "上传配置文件"
 
 msgid "Upload Domain List File"
 msgstr "上传域名列表文件"