Make audio violate POSIX less

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5864 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/wm8750.c b/hw/wm8750.c
index e354924..93fa6d7 100644
--- a/hw/wm8750.c
+++ b/hw/wm8750.c
@@ -170,9 +170,9 @@
 static void wm8750_set_format(struct wm8750_s *s)
 {
     int i;
-    audsettings_t in_fmt;
-    audsettings_t out_fmt;
-    audsettings_t monoout_fmt;
+    struct audsettings in_fmt;
+    struct audsettings out_fmt;
+    struct audsettings monoout_fmt;
 
     wm8750_out_flush(s);