28f17c1a6de7b50482d8f55fe03698126862e8eb build: fix copypasta in OpenBSD C{XX} flags (fanquake)
Pull request description:
Introduced in #23998.
ACKs for top commit:
hebasto:
ACK 28f17c1a6de7b50482d8f55fe03698126862e8eb, I have reviewed the code and it looks OK, not tested on OpenBSD though.
Tree-SHA512: d905161534075f518c8924d3c42cca7ff8d4898e559f1daa9bd03dac95b109b2c3e76790fb8bc65b9e45e8a59566825afbf4dc3734ad74617dfdf797430e486b