qemu: Use correct bus type for input devices

commit 7210cef4 'qemu: build command line for virtio input devices'
introduced an error, by checking if input bus type is
VIR_DOMAIN_DISK_BUS_VIRTIO.

Fix it by using the correct bus type for input devices.
Signed-off-by: NFarhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: NBoris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>

src/qemu/qemu_domain_address.c

@@ -309,7 +309,7 @@ qemuDomainPrimeVirtioDeviceAddresses(virDomainDefPtr def,
     }
 
     for (i = 0; i < def->ninputs; i++) {
-        if (def->inputs[i]->bus == VIR_DOMAIN_DISK_BUS_VIRTIO &&
+        if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_VIRTIO &&
             def->inputs[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
             def->inputs[i]->info.type = type;
     }