- Re-add cpp14.patch, it still fails to build with gcc 4.8
- Cleanup build requirements, same as https://build.opensuse.org/package/rdiff/KDE:Applications/kshisen?linkrev=base&rev=33
- Re-add cpp14.patch, it still fails to build with gcc 4.8
- Cleanup build requirements, same as https://build.opensuse.org/package/rdiff/KDE:Applications/kshisen?linkrev=base&rev=33