Jeck - Fix to issue 136, which caused the "unlocked set/mode" noise to play regardless of SFX volume.

projects/mtg/src/Credits.cpp

@@ -104,10 +104,10 @@ void Credits::compute(Player * _p1, Player * _p2, GameApp * _app){
           unlockedTex = resources.RetrieveTexture("set_unlocked.png");
           unlockedQuad = resources.RetrieveQuad("set_unlocked.png", 2, 2, 396, 96);
           options[Options::optionSet(unlocked - 1)] = GameOption(1);
-          options.save();
+          options.save();
           unlockedString = MtgSets::SetsList->values[unlocked -1];
       }
-      if (unlocked){
+      if (unlocked && options[Options::SFXVOLUME].number > 0){
         JSample * sample = resources.RetrieveSample("bonus.wav");
         if (sample) JSoundSystem::GetInstance()->PlaySample(sample);
       }