Some cleanup

* removed audio utils from blackmiscfreefunctions (we wanna give it up)
* comments
* formatting

src/blackmisc/audio/audioutils.h

@@ -0,0 +1,26 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKMISC_AUDIO_UTILS_H
+#define BLACKMISC_AUDIO_UTILS_H
+
+#include "blackmisc/blackmiscexport.h"
+
+namespace BlackMisc
+{
+    namespace Audio
+    {
+        //! Start the Windows mixer
+        BLACKMISC_EXPORT bool startWindowsMixer();
+    }
+}
+
+#endif // guard