Snippets for tucnak 4.73 from Fedora s390x

Sourced from https://kojipkgs.fedoraproject.org/packages/tucnak/4.73/1.fc46/data/logs/s390x/build.log.

• hf.c:163:19: warning: ‘x’ may be used uninitialized [-Wmaybe-uninitialized]
    163 |             if (x + strlen(c) > RATEBOUND) {
        |                 ~~^~~~~~~~~~~