audio/out: make ao struct opaque

We want to move the AO to its own thread. There's no technical reason
for making the ao struct opaque to do this. But it helps us sleep at
night, because we can control access to shared state better.

1 files changed, 1 insertions, 0 deletions

diff --git a/audio/out/ao_rsound.c b/audio/out/ao_rsound.c
index 6bd99030a1..ef81c621da 100644
--- a/audio/out/ao_rsound.c
+++ b/audio/out/ao_rsound.c
@@ -33,6 +33,7 @@
 #include "osdep/timer.h"
 #include "audio/format.h"
 #include "ao.h"
+#include "internal.h"
 
 struct priv {
     rsound_t *rd;