Attached patch fixes some warnings which only happen on Windows.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5639 c046a42c-6fe2-441c-8c8c-71466251a162