virtio-bus: make virtio_x_bus_new static.

virtio_x_bus_new are only used in file scope.
So this make them static.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 930531b..0591dc2 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -27,6 +27,8 @@
 #include "virtio-ccw.h"
 #include "trace.h"
 
+static void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev);
+
 static int virtual_css_bus_reset(BusState *qbus)
 {
     /* This should actually be modelled via the generic css */
@@ -1060,7 +1062,7 @@
 
 /* virtio-ccw-bus */
 
-void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev)
+static void virtio_ccw_bus_new(VirtioBusState *bus, VirtioCcwDevice *dev)
 {
     DeviceState *qdev = DEVICE(dev);
     BusState *qbus;