Jail compile error on CURRENT?

From: Yoshihiro Ota <ota_at_j.email.ne.jp>
Date: Mon, 07 Aug 2023 02:50:55 UTC
Hi,

Am I the only one seeing this error?
I'm on 12.4-RELEASE amd64 and building CURRENT as of now.

jaillex.c:2228:43: error: unused parameter 'yyscanner' [-Werror,-Wunused-parameter]
void *yyalloc (yy_size_t  size , yyscan_t yyscanner)
                                          ^
jaillex.c:2233:58: error: unused parameter 'yyscanner' [-Werror,-Wunused-parameter]
void *yyrealloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)
                                                         ^
jaillex.c:2245:36: error: unused parameter 'yyscanner' [-Werror,-Wunused-parameter]
void yyfree (void * ptr , yyscan_t yyscanner)
                                   ^
6 errors generated.
*** [jaillex.o] Error code 1