F-30: rebuild against ruby26

rubygem-mysql2.spec

@@ -6,7 +6,7 @@
 
 Name: rubygem-%{gem_name}
 Version: 0.5.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: A simple, fast Mysql library for Ruby, binding to libmysql
 License: MIT
 URL: https://github.com/brianmario/mysql2
@@ -176,6 +176,9 @@ kill "$(cat "${MYSQL_TEST_PID_FILE}")"
 
 
 %changelog
+* Mon Jan 21 2019 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.5.2-2
+- F-30: rebuild against ruby26
+
 * Thu Jul 19 2018 Jun Aruga <jaruga@redhat.com> - 0.5.2-1
 - New upstream release 0.5.2