Comment # 16 on bug 1209724 from Jiri Slaby

Temporarily fixed by:
commit fd618883b1c3321a5f267e82a99feef8df3bc99f
Author: Jiri Slaby <jslaby@suse.cz>
Date:   Wed Mar 29 09:53:49 2023 +0200

    net/wwan/t7xx: disable Werror (bsc#1209724).

It will be dropped with merge of 6.3. At that time, gcc is fixed, hopefully.