Snippets for abduco 0.6 from Alpine ppc64le

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-ppc64le/community/abduco/abduco-0.6-r7.log.

• server.c:227:67: warning: overflow in conversion from 'long unsigned int' to 'int' changes value from '2148037735' to '-2146929561' [-Woverflow]
    227 |                                                 ioctl(server.pty, TIOCSWINSZ, &client_packet.u.ws);
        |                                                                   ^~~~~~~~~~