commit b608d584d9b6aeae916dec48c2cadf2e631f91b8
Author: Tobias Kortkamp <t@tobik.me>
Date:   Sat Nov 30 17:10:58 2019 +0100

    Unbreak build with OpenAL 1.20.0
    
    In file included from /home/tobias/src/github.com/uTox/uTox/src/av/audio.c:33:
    /usr/local/include/AL/alc.h:34:26: error: typedef redefinition with different types
          ('struct ALCdevice' vs 'struct ALCdevice_struct')
    typedef struct ALCdevice ALCdevice;
                             ^
    /home/tobias/src/github.com/uTox/uTox/src/av/audio.h:8:33: note: previous definition is here
    typedef struct ALCdevice_struct ALCdevice;
                                    ^
    1 error generated.

diff --git a/src/av/audio.h b/src/av/audio.h
index 4edb0e45..e6b08550 100644
--- a/src/av/audio.h
+++ b/src/av/audio.h
@@ -5,7 +5,11 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-typedef struct ALCdevice_struct ALCdevice;
+#ifdef __APPLE__
+#include <OpenAL/alc.h>
+#else
+#include <AL/alc.h>
+#endif
 
 extern bool utox_audio_thread_init;