Media: Render unsupported audio files as links instead of mediaelement. props kovshenin, fixes #23798.

git-svn-id: http://core.svn.wordpress.org/trunk@24519 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/js/media-editor.js

@@ -126,6 +126,9 @@
 				case 'audio/wma':
 					shortcode.wma = attachment.url;
 					break;
+				default:
+					// Render unsupported audio files as links.
+					return wp.media.string.link( props );
 				}
 			}