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/src/GameStateDuel.cpp

@@ -19,6 +19,7 @@ GameStateDuel::GameStateDuel(GameApp* parent): GameState(parent) {
   game = NULL;
   deckmenu = NULL;
   opponentMenu = NULL;
+  opponentMenuFont = NULL;
   menu = NULL;
 #ifdef TESTSUITE
   testSuite = NULL;