Fix obsoletes bug when both new and old versions existed

Signed-off-by: 张少宁 <zhangshaoning@uniontech.com>

libtirpc.spec

@@ -1,6 +1,6 @@
 Name:           libtirpc
 Version:        1.2.6
-Release:        2
+Release:        3
 Summary:        Transport-independent RPC library
 License:        SISSL and BSD
 URL:            http://git.linux-nfs.org/?p=steved/libtirpc.git;a=summary
@@ -10,8 +10,6 @@ Patch02:        backport-CVE-2021-46828.patch
 
 BuildRequires:  automake autoconf libtool pkgconfig krb5-devel
 
-Obsoletes:	libtirpc-devel < %{version}-%{release}
-
 %description
 Libtirpc is a Transport-Independent RPC library for Linux
 
@@ -69,6 +67,9 @@ mv %{buildroot}%{_mandir}/man3 %{buildroot}%{_mandir}/man3t
 %{_mandir}/*/*
 
 %changelog
+* Tue Oct 11 2022 zhangshaoning <zhangshaoning@uniontech.com> - 1.2.6-3
+- Fix obsoletes bug when both new and old versions existed
+
 * Fri Jul 22 2022 gaihuiying <eaglegai@163.com> - 1.2.6-2
 - Type:CVE
 - ID:CVE-2021-46828