fix bug where the playlist won't show in /watch page

fixes issue #16

templates/themes/default-v2/playlist.html

@@ -3,7 +3,7 @@
 	<div style='display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));'>
 	{{start _playlist}}
 	<div class='video-image-container'>
-		<a href='watch?v={{.id}}&playlist={{.playlist}}"'>
+		<a href='watch?v={{.id}}&playlist={{.playlist}}'>
 			<div class='video-image' style='background-image: url(http://i.ytimg.com/vi/{{.id}}/mqdefault.jpg)'></div>
 			<b>{{.title}}</b></a>
 	</div>