Bug#1123841: debsig-verify: FTBFS with dpkg 1.23

Hi!

On Mon, 2025-12-22 at 16:32:20 +0100, Bastian Germann wrote:
> Source: debsig-verify
> Version: 0.33
> Severity: serious
> Tags: ftbfs
> 
> Your package fails to build because of a function rename in dpkg:
> 
> ../src/ar-parse.c: In function ‘findMember’:
> ../src/ar-parse.c:97:13: error: implicit declaration of function ‘dpkg_ar_member_is_illegal’; did you mean ‘dpkg_ar_member_is_invalid’? [-Wimplicit-function-declaration]
>    97 |         if (dpkg_ar_member_is_illegal(&arh))
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~
>       |             dpkg_ar_member_is_invalid
> make[3]: *** [Makefile:582: src/ar-parse.o] Error 1

Sending a message mostly to try to avoid the auto-removal, given that
the version in testing is not affected, until dpkg migrates, which
should happen at the same time this package migrates as well. :)

Thanks,
Guillem