Remove any pretense that there can be more than one AudioState
diff --git a/hw/cs4231a.c b/hw/cs4231a.c
index 4212ed1..33c9460 100644
--- a/hw/cs4231a.c
+++ b/hw/cs4231a.c
@@ -638,7 +638,6 @@
 
 int cs4231a_init (qemu_irq *pic)
 {
-    AudioState *audio = AUD_init();
     int i;
     CSState *s;
 
@@ -660,6 +659,6 @@
     qemu_register_reset (cs_reset, s);
     cs_reset (s);
 
-    AUD_register_card (audio,"cs4231a", &s->card);
+    AUD_register_card ("cs4231a", &s->card);
     return 0;
 }