In `WPPlaylistView::ended()`, at the end of a playlist, set the index to `0` and call `->setCurrent()` instead of `->loadCurrent()` so that the first track is properly highlighted.

Fixes #28428.

Built from https://develop.svn.wordpress.org/trunk@28649


git-svn-id: http://core.svn.wordpress.org/trunk@28467 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/mediaelement/wp-playlist.js

@@ -145,8 +145,7 @@
 				this.next();
 			} else {
 				this.index = 0;
-				this.current = this.tracks.at( this.index );
-				this.loadCurrent();
+				this.setCurrent();
 			}
 		},
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.0-alpha-20140601';
+$wp_version = '4.0-alpha-20140602';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.