graphics/cairo: build failure: main/clang-13

From: Larry Rosenman <ler_at_FreeBSD.org>
Date: Fri, 19 Nov 2021 13:52:26 UTC
Greetings,
     I'm getting a build failure for graphics/cairo on yesterday's main.
poudriere log:
https://home.lerctr.org:8888/data/live-host-ports/2021-11-19_07h40m47s/logs/errors/cairo-1.17.4,3.log

Can someone look?

Thanks!

-- 
Larry Rosenman                     http://people.freebsd.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler@FreeBSD.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106