pc_memory_init() already expects a PCMachineState object, there's no
point in upcasting it to MachineState before calling the function.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>