fix audiocontext const conflict

Author: therewasaguy

src/audiocontext.js

@@ -75,7 +75,7 @@ define(['StartAudioContext', 'Tone/core/Context', 'Tone/core/Tone'], function (r
    *    myDiv.position(0, 0);
    *
    *    var mySynth = new p5.MonoSynth();
-   * 
+   *
    *    // This won't play until the context has started
    *    mySynth.play('A6');
    *

src/master.js

@@ -1,9 +1,7 @@
 'use strict';
 
-const audiocontext = require('audiocontext');
-
-define(function () {
 
+define(['audiocontext'], function (require, audiocontext) {
   /**
    * Master contains AudioContext and the master sound output.
    */