Fix fragile NT_VERSION detection, this also fixed version detection for abi string on DragonFly
Fix fragile NT_VERSION detection, this also fixed version detection for abi
string on DragonFly

skoef/pkg,en90/pkg,junovitch/pkg,en90/pkg,khorben/pkg,Open343/pkg,Open343/pkg,khorben/pkg,skoef/pkg,khorben/pkg,junovitch/pkg