Snippets for acme-client 1.3.7 from Alpine riscv64

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-riscv64/community/acme-client/acme-client-1.3.7-r0.log.

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

• usr.sbin/acme-client/json.c:677:20: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized]
    677 |                 if (c == -1) {
        |                    ^