Not in scope: data constructor `N.SockAddrUnix'

[cnd]

Windows 8.1 , 64bit, GHC 7.8.3

trying to build master

Failed to install io-streams-haproxy-1.0.0.0
Last 10 lines of the build log ( C:\Users\XXX\AppData\Roaming\cabal\logs\io-streams-haproxy-1.0.0.0.log ):
    Not in scope: data constructor `N.SockAddrUnix'
    Perhaps you meant one of these:
      `N.SockAddrInet' (imported from Network.Socket),
      `N.SockAddrInet6' (imported from Network.Socket)

src\System\IO\Streams\Network\HAProxy.hs:357:19:
    Not in scope: data constructor `N.SockAddrUnix'
    Perhaps you meant one of these:
      `N.SockAddrInet' (imported from Network.Socket),
      `N.SockAddrInet6' (imported from Network.Socket)
cabal: Error: some packages failed to install:
io-streams-haproxy-1.0.0.0 failed during the building phase. The exception
was:
ExitFailure 1