Fix up inputs enumeration example

(key and port parameters were swapped)

Author: natevw

index.html

@@ -256,7 +256,7 @@ <h3 id="MIDIInputMap"><a>MIDIInputMap</a> Interface</h3>
     var numberOfMIDIInputs = inputs.size;
 
     // add each of the ports to a &lt;select&gt; box
-    inputs.forEach( function( key, port ) {
+    inputs.forEach( function( port, key ) {
       var opt = document.createElement("option");
       opt.text = port.name;
       document.getElementById("inputportselector").add(opt);