Fixes compilation on Cygwin, undeclared identifiers: _alldiv, _allmul,
_allrem, _aulldiv, _aullrem.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52607Signed-off-by: Saulius Krasuckas <saulius2@ar-fi.lt>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>