Snippets for harfbuzz 14.4.0 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/harfbuzz/14.4.0/1.fc46/data/logs/ppc64le/build.log.

• ../util/gpu/demo-view.cc:373:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
    373 |       if (vu->fullscreen)
        |       ^~