!13 [合规提升]spec文件的License声明有歧义

From: @plerks 
Reviewed-by: @liqingqing_1229 
Signed-off-by: @liqingqing_1229

libmpc.spec

@@ -1,8 +1,8 @@
 Name: libmpc
 Version: 1.2.0
-Release: 2
+Release: 3
 Summary: C library for multiple precision complex arithmetic
-License: LGPLv3+ and GFDL
+License: LGPLv3+ and GFDL-1.3-only
 URL: http://www.multiprecision.org/
 Source0: https://ftp.gnu.org/gnu/mpc/mpc-%{version}.tar.gz
 
@@ -71,8 +71,12 @@ fi
 %{_libdir}/libmpc.so
 
 %changelog
+* Mon June 6 2022 Xinyi Gou<rv7dzzhhs4c@163.com> - 1.2.0-3
+- Specify license version
+
 * Thu Sep 24 2020 EulerOSWander<314264452@qq.com> - 1.2.0-2
 - added missing include.
+
 * Sat Aug 22 2020 Yunfeng Ye<yeyunfeng@huawei.com> - 1.2.0-1
 - Upgrade to 1.2.0