Add missing endif, and clean up indentation

src/web/templates/index.html

@@ -177,6 +177,7 @@
 			{% for d in device_types %}
 			    <option value="{{d}}">{{d}}</option>
 			{% endfor %}
+			{% endif %}
                     </select>
 		    {% endif %}
                     <input type="submit" value="Attach" />