Snippets for acme-client 1.3.7 from Nix aarch64-darwin

Sourced from https://hydra.nixos.org/log/qqab9v234px0gzbx9cipdixzp7g83x7k-acme-client-1.3.7.drv.

• compat_vis.c:222:23: warning: pointer 'buf_15' may be used after 'realloc' [-Wuse-after-free]
    222 |                 *outp = buf;
        |                 ~~~~~~^~~~~