Ensure git is really an optional dependency.
Can be removed with the next update.
- Drop the buildrequires for git-core again
- Add BuildRequires for git-core as the meson build now needs
git
- Update to 0.1.118:
- build and portability fixes, babl is now relocatedable.
OBS-URL: https://build.opensuse.org/package/show/graphics/babl?expand=0&rev=103
