dvbtee: initialize winsock in main()
dvbtee: initialize winsock in main()

...as described here:

https://msdn.microsoft.com/en-us/library/windows/desktop/ms738573(v=vs.85).aspx

Signed-off-by: Michael Ira Krufky <00524723a60798c74a43fcc620c25dd7b9ece078@linuxtv.org>

mkrufky/libdvbtee,mkrufky/libdvbtee,mkrufky/libdvbtee,mkrufky/libdvbtee,mkrufky/libdvbtee