Erwan

- fixed the lib to play WAV file (erased too much things in a previous update)
- Updated wav sfx to be playable on the PSP (need to update the lib to accept more formats ?)
- There is still a bug with sfx on the PSP, I suspect I'm erasing files while they are being played !

projects/mtg/include/SimpleMenuItem.h

@@ -4,6 +4,9 @@
 #include <string>
 #include <JLBFont.h>
 #include <JGui.h>
+#include <string>
+
+using std::string;
 
 #define SCALE_SELECTED		1.2f
 #define SCALE_NORMAL		1.0f