some reason. I needed this because I got
6>LINK : fatal error LNK1104: cannot open file 'nsock.lib'
6>Build log was saved at "file://c:\cygwin\home\david\nmap\ncat\Release\BuildLog.htm"
6>ncat - 1 error(s), 1 warning(s)
the first time I built the solution after cleaning. I had to build it a second
time to let ncat find nsock.lib.