Snippets for nudoku 8.0.1 from Fedora ppc64le

Sourced from https://kojipkgs.fedoraproject.org/packages/nudoku/8.0.1/1.fc46/data/logs/ppc64le/build.log.

• main.c:240:9: warning: ‘strncpy’ output may be truncated copying 82 bytes from a string of length 163 [-Wstringop-truncation]
    240 |         strncpy(user_board, board, STREAM_LENGTH);
        |         ^