!15 更新版本号使得master高于20.03-LTS

From: @robertxw 
Reviewed-by: @wangxp006 
Signed-off-by: @wangxp006

ndisc6.spec

@@ -1,6 +1,6 @@
 Name:		ndisc6
 Version:	1.0.4
-Release:	3
+Release:	4
 Summary:	IPv6 diagnostic tools
 License:	GPLv2 or GPLv3
 URL:		http://www.remlab.net/ndisc6
@@ -47,6 +47,12 @@ It includes the follwing programs :
 %{_mandir}/man*
 
 %changelog
+* Fri Apr 29 2022 gaoxingwang <gaoxingwang1@huawei.com> - 1.0.4-4
+- Type:bugfix
+- CVE:NA
+- SUG:restart
+- DESC: rebuild ndisc6
+
 * Tue Apr 5 2022 gaoxingwang <gaoxingwang@huawei.com> - 1.0.4-3
 - Type:bugfix
 - CVE:NA