hw/i386/kvm/ioapic: Replace magic '24' value by proper definition

Replace '24' -> KVM_IOAPIC_NUM_PINS.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
1 file changed