auhal: delete callback on close

fixes #5272

diff --git a/modules/audio_output/auhal.c b/modules/audio_output/auhal.c
index 7b9ed7e5ea23e1807732fd2a55a00eba5be33e59..999771a3b9f0c1f1becdf7423e2d26048d88a58b 100644 (file)
--- a/modules/audio_output/auhal.c
+++ b/modules/audio_output/auhal.c
@@ -902,6 +902,8 @@ static void Close( vlc_object_t * p_this )
         if( err != noErr ) msg_Err( p_aout, "Could not release hogmode: [%4.4s]", (char *)&err );
     }
 
+    var_DelCallback( p_aout, "audio-device", AudioDeviceCallback, NULL );
+
     aout_PacketDestroy( p_aout );
     free( p_sys );
 }