modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

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# From http://lists.freebsd.org/pipermail/freebsd-ports-bugs/2009-August/170685.html
sha256    054e96d9d68fe917df6f25fab15c7755bdd480f6420d7d48d9194a1a52378169  nuttcp-6.1.2.tar.bz2