> I've cloned ffi, executed:
>
> rake install
>
> and with new installation enumerating desktop windows sample works without
> problems except that sample on the Wiki has one error. Line:

I forced a local compile (using latest DevKit) of FFI 0.5.4 by running
"gem install ffi --platform=ruby" and ran the same enumerate desktop
windows sample.  Unfortunately, I get the following segv similar to
what I got when using the 0.5.3 mingw32 binary gem.

 (eval):3: [BUG] Segmentation fault
ruby 1.9.1p243 (2009-07-16 revision 24175) [i386-mingw32]

-- control frame ----------
c:0005 p:---- s:0019 b:0019 l:000018 d:000018 CFUNC  :call
c:0004 p:0016 s:0013 b:0013 l:000012 d:000012 METHOD (eval):3
c:0003 p:0104 s:0008 b:0008 l:0011f4 d:0011ac EVAL   ffi_enumwin.rb:31
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:0011f4 d:0011f4 TOP
---------------------------
-- Ruby level backtrace
information-----------------------------------------
(eval):3:in `call'
(eval):3:in `enum_desktop_windows'
ffi_enumwin.rb:31:in `<main>'