(svn r11719) -Codechange: split sound.h in a header with types and one with functions.

src/music_gui.cpp

@@ -7,13 +7,13 @@
 #include "table/strings.h"
 #include "table/sprites.h"
 #include "fileio.h"
-#include "sound.h"
 #include "variables.h"
 #include "music.h"
 #include "music/music_driver.hpp"
 #include "window_gui.h"
 #include "strings_func.h"
 #include "window_func.h"
+#include "sound_func.h"
 
 static byte _music_wnd_cursong;
 static bool _song_is_active;