Fix syntax error in audio unlock function that broke the game

game.js

@@ -119,6 +119,8 @@ const SFX = (() => {
     if (ctx.state === 'suspended') ctx.resume();
     return ctx;
   }
+
+  function unlock() {
     if (!ctx) ctx = new (window.AudioContext || window.webkitAudioContext)();
     if (ctx.state === 'suspended') ctx.resume().then(() => {});
   }