GNU libsigsegv 2.12 is released

[Bruno Haible]

Hi Sébastien,

> Note that the following patch is applied on top of the upstream sources, it is
> needed for cross-compiling the arm64 binary:
> 
>  https://salsa.debian.org/common-lisp-team/libsigsegv/blob/master/debian/patches/aarch64-stack-direction.patch

How come that it is needed? 'aarch64' is already handled 3 lines above,
in the same file. This was added here:
http://git.savannah.gnu.org/gitweb/?p=libsigsegv.git;a=commitdiff;h=01ba7626bb19ec73da2f8cbde23f6661ac89b275

Bruno