[PATCH proto/x11proto] Adjust <windows.h> wrapping to work with MinGW-w64 headers as well

[Yaakov (Cygwin/X)]

On Fri, 2012-10-19 at 12:23 +0100, Jon TURNEY wrote:
> Adjust <windows.h> wrapping to work with MinGW-w64 as well MinGW.org headers,
> which define BOOL in a different way.
> Add some more comments on what we doing here.
> 
> (For the unaware, MinGW-w64 is a fork of MinGW.org, which adds support for the
> 64-bit Windows target, but also (despite the name) supports the 32-bit Windows
> target.)
> 
> Signed-off-by: Jon TURNEY <jon.turney at dronecode.org.uk>

Tested-by: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>