Fix opus include directory

audiohandler.h

@@ -33,8 +33,11 @@ typedef signed short  MY_TYPE;
 #include <QMap>
 #include "resampler/speex_resampler.h"
 #include "ring/ring.h"
+#ifdef Q_OS_WIN
 #include "opus.h"
-
+#else
+#include "opus/opus.h"
+#endif
 
 #include <QDebug>