directsound: cosmetic rename

modules/audio_output/Modules.am

@@ -60,7 +60,7 @@ if HAVE_WASAPI
 aout_LTLIBRARIES += libmmdevice_plugin.la
 endif
 
-libdirectsound_plugin_la_SOURCES = directx.c windows_audio_common.h
+libdirectsound_plugin_la_SOURCES = directsound.c windows_audio_common.h
 libdirectsound_plugin_la_LIBADD = -lole32
 if HAVE_DIRECTX
 aout_LTLIBRARIES += libdirectsound_plugin.la

modules/audio_output/directx.c → modules/audio_output/directsound.c

 /*****************************************************************************
- * directx.c: Windows DirectX audio output method
+ * directsound.c: DirectSound audio output plugin for VLC
  *****************************************************************************
  * Copyright (C) 2001-2009 VLC authors and VideoLAN
  * $Id$