WININET: implement InternetTime{From,To}SystemTime{A,W} (#4)

[Mike McCormack]

Hans Leidekker wrote:

>>What happens if, the string ends with WININET_wkday[i][0] or
>>WININET_wkday[i][1] ?
> 
> 
> It can't, that's protected by the:

The best way to prove these things is to write a test cases.  If others 
have doubts about your code, then they can add to the test case and 
check the code still works.

Mike