trunk build failure on windows

[Sean Sieger <sean.sieger@gmail.com>]

I just now set up a MinGW environment in Windows 7 on a new machine and
got this here business:

Byte-compile the created files by:
  % emacs -batch -f batch-byte-compile XXX.el
"./../src/oo/i386/emacs.exe" -batch --no-init-file --no-site-file --multibyte  -
l \
            "c:/trunk/leim/../lisp/international/quail" \
            -f batch-byte-compile quail/CCDOSPY.el quail/Punct.el quail/QJ.el qu
ail/SW.el quail/TONEPY.el quail/4Corner.el quail/ARRAY30.el quail/ECDICT.el quai
l/ETZY.el quail/Punct-b5.el quail/PY-b5.el quail/QJ-b5.el quail/ZOZY.el
Wrote c:/trunk/leim/quail/CCDOSPY.elc
Wrote c:/trunk/leim/quail/Punct.elc
Wrote c:/trunk/leim/quail/QJ.elc
Wrote c:/trunk/leim/quail/SW.elc
make[2]: *** [quail/CCDOSPY.elc] Error 255
make[2]: Leaving directory `c:/trunk/leim'
make[1]: *** [all-other-dirs-gmake] Error 2
make[1]: Leaving directory `c:/trunk/nt'
make: *** [bootstrap] Error 2