!18 Rectify the spec file

From: @WizardHowl 
Reviewed-by: @SuperSix173 
Signed-off-by: @SuperSix173

libmpc.spec

@@ -1,11 +1,13 @@
 Name: libmpc
 Version: 1.2.0
-Release: 3
+Release: 4
 Summary: C library for multiple precision complex arithmetic
 License: LGPLv3+ and GFDL-1.3-only
 URL: http://www.multiprecision.org/
 Source0: https://ftp.gnu.org/gnu/mpc/mpc-%{version}.tar.gz
 
+Patch6000: backport-0001-added-missing-include.patch
+
 BuildRequires: gcc
 BuildRequires: gmp-devel >= 5.0.0
 BuildRequires: mpfr-devel >= 4.1.0
@@ -18,7 +20,6 @@ same principles as MPFR.
 
 %package devel
 Summary: Header and shared development libraries for MPC
-Patch6000: backport-0001-added-missing-include.patch
 
 Requires: %{name}%{?_isa} = %{version}-%{release}
 Requires: mpfr-devel gmp-devel
@@ -71,6 +72,9 @@ fi
 %{_libdir}/libmpc.so
 
 %changelog
+* Thu Jan 5 2023 Wenyu Liu<liuwenyu7@huawei.com> - 1.2.0-4
+- Rectify the content that does not comply with specifications in the spec file
+
 * Mon June 6 2022 Xinyi Gou<rv7dzzhhs4c@163.com> - 1.2.0-3
 - Specify license version