fix typo

server/djrandom/frontend/static/player.js

@@ -296,7 +296,7 @@ djr.Player.prototype.search = function(query) {
 };
 
 // Set the HTML contents of a chunk object, and the related event hooks.
-djr.Player.prototype.setChunkHtml(chunk, chunk_id, songs_html) {
+djr.Player.prototype.setChunkHtml = function(chunk, chunk_id, songs_html) {
   var inner_html = chunk.wrapHtml(chunk_id, songs_html);
   $('#playlistDiv').append(inner_html);
   var chunk_div = '#chunk_' + chunk_id;