Add name to file field

main.html

@@ -115,7 +115,7 @@
         id="nokia-fileui-prompt" style="display: none">
     <section>
       <h1>Select a file</h1>
-      <p><input type="file">
+      <p><input type="file" name="nokia-fileui-file">
     </section>
     <menu>
       <button class="cancel">Cancel</button>