win32 INT_ASM_OP tweak

[Jeffrey A Law]

  In message <200004240244.VAA28755@pluto.xraylith.wisc.edu>you write:
  > Need INT_ASM_OP to bootstrap win32 targets. Currently can't bootstrap
  > win32 targets, but those are due to other problems, and I'm still 
  > investigating why compiling tinfo.cc gets unrecognized insn error
  > (target uses sjlj EH).
  > 
  > Ok to commit?
  > 
  > 2000-04-23  Mumit Khan  <khan@xraylith.wisc.edu>
  > 
  > 	* i386/cygwin.h (INT_ASM_OP): Define.
Thanks.  Installed.
jeff