[RFA] Use "-idirafter /usr/include/w32api" in cygwin specs

[Christopher Faylor]

On Sat, Mar 10, 2001 at 12:29:23PM -0000, Billinghurst, David (CRTS) wrote:
>174 warnings in stage 3 of a bootstrap on cygwin come from header files in
>/usr/include/w32api.  This patch eliminates them by make the files system
>headers (using -dirafter in place of -I).  It also reverts the include
>directory search path order to that of gcc-2.95, with /usr/include/w32api
>last.  

I'll check in the current layout from the cygwin net release.  It uses
-idirafter for w32api and has some other minor reorgs.

FYI, /usr/include/w32api was not part of the official gcc-2.95 release.
That is a fairly recent addition to cygwin releases.

Thanks for bringing this to my attention.

cgf