Ensure CGO_ENABLED is defined, make it easier to build without it
Ensure CGO_ENABLED is defined, make it easier to build without it

Testing race conditions requires CGO so make sure it always defined
but can be overridden by the dev.

Assume normal GOBIN setting and only change if in cygwin.

Removed unused/unneeded variables.

usi-lfkeitel/packet-guardian,usi-lfkeitel/packet-guardian,packet-guardian/packet-guardian,packet-guardian/packet-guardian,packet-guardian/packet-guardian,usi-lfkeitel/packet-guardian,packet-guardian/packet-guardian,packet-guardian/packet-guardian