windbus rev 162 fails to build

[Mathew Yeates]

I had to replace

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

with
#include <stdio.h>

to avoid the following error

----------------------------
[ 94%] Building C object 
test/name-test/CMakeFiles/test_names1.dir/C_/windbus/tr
unk/test/name-test/test-names.obj
test-names.c
C:\windbus\trunk\test\name-test\test-names.c(3) : fatal error C1083: 
Cannot open
include file: 'unistd.h': No such file or directory
NMAKE : fatal error U1077: 'C:\PROGRA~1\MID05A~1\VC\bin\cl.exe' : return 
code '0
x2'
Stop.
----------------------