bug#20819: [PATCH] i18n: check for non-POSIX strtol_l

[Mark H Weaver]

Natanael Copa <nc...@alpinelinux.org> writes:

> * configure.ac: Check for strtol_l
> * libguile/i18n.c: Check with HAVE_STRTOL_L before using strtol_l. This
>   fixes build with musl libc.

Pushed (with slight modifications) to stable-2.0.

    Thanks!
      Mark