ae9d365686
On macos, <sys/types.h> does not declare clockid_t,
but it's instead in <time.h>, which also includes
<sys/types.h> on Linux, so just include <time.h> on
all UNIX platforms.
Fixes: a871eabc
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12064
Tested-by: Vinson Lee <vlee@freedesktop.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31881>