update python-mysqlclient.spec.

python-mysqlclient.spec

@@ -1,6 +1,6 @@
 Name:    python-mysqlclient
 Version: 1.3.12
-Release: 7
+Release: 8
 Summary: MySQL database connector for Python
 License: GPLv2+
 URL:     https://github.com/PyMySQL/mysqlclient-python
@@ -128,5 +128,8 @@ CFLAGS="$RPM_OPT_FLAGS" %{__python3}-debug setup.py build
 %{python3_sitearch}/_mysql.cpython-3?dm*.so
 
 %changelog
+* Tue Aug 21 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.3.12-8
+- Add release version for rebuild
+
 * Fri Feb 14 2020 hy-euler <eulerstoragemt@huawei.com> - 1.3.12-7
 - Package Initialization