Missed to check in changes to /config/mh-mingw. It is part of the reviewed
patch 2008/10/13 by Danny Smith.

2008-11-21  Kai Tietz  <kai.tietz@onevision.com>

        Fix PR/25502
        * mh-mingw (BOOT_CFLAGS): Add -Wno-pedantic-ms-format switch.

From-SVN: r142089