Add Cgo support for NetBSD #851

Job	Run time
Test with Go 1.18.x on ubuntu-latest	1m 2s
Test with Go 1.18.10 on FreeBSD	2m 29s
Test with Go 1.21.13 on NetBSD	1m 39s
Test with Go 1.19.x on ubuntu-latest	48s
Test with Go 1.19.13 on FreeBSD	2m 45s
Test with Go 1.22.6 on NetBSD	1m 40s
Test with Go 1.20.x on ubuntu-latest	53s
Test with Go 1.20.14 on FreeBSD	3m 24s
Test with Go 1.23.0 on NetBSD	1m 41s
Test with Go 1.21.x on ubuntu-latest	55s
Test with Go 1.21.13 on FreeBSD	2m 43s
Test with Go 1.22.x on ubuntu-latest	56s
Test with Go 1.22.6 on FreeBSD	2m 37s
Test with Go 1.23.0 on FreeBSD	2m 55s
Test with Go 1.23.x on ubuntu-latest	57s
Test with Go 1.18.x on macos-latest	43s
Test with Go 1.19.x on macos-latest	51s
Test with Go 1.20.x on macos-latest	35s
Test with Go 1.21.x on macos-latest	41s
Test with Go 1.22.x on macos-latest	32s
Test with Go 1.23.x on macos-latest	30s
Test with Go 1.18.x on windows-latest	42s
Test with Go 1.19.x on windows-latest	50s
Test with Go 1.20.x on windows-latest	1m 36s
Test with Go 1.21.x on windows-latest	1m 49s
Test with Go 1.22.x on windows-latest	1m 53s
Test with Go 1.23.x on windows-latest	1m 5s
	39m 11s

Provide feedback