fix syntax error caused by the ie compatibilty patch that prevented the JS from working

template/mumble/mumble.htm

@@ -328,7 +328,7 @@
 						}
 					{% endif %}
 					]
-				}
+				},
 				{% for item in ChannelTable %}
 					{ contentEl: 'mumble_{{ item.id }}', id: 'carditem_{{ item.id }}' },
 				{% endfor %}