Check MusicInfo class for leaks

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9970 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/audio/music_information.hpp

@@ -25,6 +25,7 @@
 #include <vector>
 
 #include "utils/no_copy.hpp"
+#include "utils/leak_check.hpp"
 
 #include <irrString.h>
 using irr::core::stringw;
@@ -68,6 +69,8 @@ private:
     float                    m_time_since_faster;
 
 public:
+    LEAK_CHECK()
+    
 #if defined(WIN32) || defined(_WIN32)
 #pragma warning(disable:4290)
 #endif