!12 fix obsoletes in spec

From: @panxh_purple 
Reviewed-by: @xiezhipeng1 
Signed-off-by: @xiezhipeng1

libfastjson.spec

@@ -1,6 +1,6 @@
 Name:		libfastjson
 Version:	0.99.9
-Release:	1
+Release:	2
 Summary:	JSON-C - A JSON implementation in C
 License:	MIT
 URL:		https://github.com/rsyslog/libfastjson
@@ -16,7 +16,7 @@ provide: a small library with essential json handling
 functions, sufficiently good json support (not 100%
 standards compliant), be very fast in processing.
 
-Obsoletes:	%{name}
+Obsoletes:	%{name} < %{version}-%{release}
 
 %package	devel
 Summary:	Development files for libfastjson
@@ -56,6 +56,9 @@ make V=1 check
 %{_libdir}/pkgconfig/libfastjson.pc
 
 %changelog
+* Thu Sep 8 2022 panxiaohe <panxh.life@foxmail.com> - 0.99.9-2
+- fix obsoletes in spec
+
 * Fri Sep 3 2021 panxiaohe <panxiaohe@huawei.com> - 0.99.9-1
 - update to 0.99.9