8060170: Support SIO_LOOPBACK_FAST_PATH option on Windows Reviewed-by: alanb Contributed-by: kirk.shoop@microsoft.com, v-valkop@microsoft.com

^build/
^dist/
^webrev
^testoutput/
/nbproject/private/
^make/netbeans/.*/build/
^make/netbeans/.*/dist/
^.hgtip
.DS_Store