Fix incompatible pointer type in sip_basic.c #51

Job	Run time
Build RPM / Build	3m 5s
Build DEB (bookworm, amd64) / Build	2m 12s
Build DEB (bullseye, amd64) / Build	1m 56s
Build DEB (bookworm, armhf) / Build	24m 11s
Build DEB (bullseye, armhf) / Build	22m 5s
Build DEB (buster, amd64) / Build	1m 50s
Build DEB (buster, armhf) / Build	22m 8s
Build DEB (stretch, amd64) / Build	2m 2s
Build DEB (stretch, armhf) / Build	21m 45s
Copy to remote RPM	0s
Meta RPM	0s
Copy meta to remote RPM	0s
Copy hash to remote RPM	0s
Copy to remote DEB	0s
Meta DEB	0s
Copy meta to remote DEB	0s
Copy hash to remote DEB	0s
	1h 41m 14s

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