add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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# From https://fedorahosted.org/releases/i/p/iptraf-ng/iptraf-ng-1.1.4.tar.gz.sum
sha1    a2e51b0dd6b8c80583fc25d055850c96b3d2f544    iptraf-ng-1.1.4.tar.gz