54928d643e
`loader_wayland_dispatch()` also makes use of `timespec` so we
need `timespec.h`. Otherwise it fails to build due to
`timespec_sub_saturate()` missing.
Signed-off-by: Karmjit Mahil <karmjit.mahil@igalia.com>
Fixes: 90effcceab ("wsi/wayland: refactor wayland dispatch")
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12580
Reviewed-by: Eric Engestrom <None>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33423>