HAVE_GETCWD fails to include io.h

[Bryce McKinlay]

Adam Megacz wrote:

>Hrm, mingw won't build anymore because natSystem.cc uses getcwd()
>without #includ'ing io.h.
>
>Where would the appropriate place be for me to add #include<io.h>? In
>win32.h? In a #ifdef-WIN32 block in natSystem.cc?
>

In win32.h would be best as <io.h> is a platform-specific header, and 
win32.h is already included by natSystem.cc.

regards

Bryce.