Snippets for wayfire-config-manager 0.10.0 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/wcm/0.10.0/150arm64-default.log.

• ../src/wcm.hpp:346:22: warning: private field 'grab_window_surface' is not used [-Wunused-private-field]
    346 |     cairo_surface_t *grab_window_surface = nullptr;
        |                      ^