Use filename if no title. Props tellyworth. fixes #5080 for 2.3

git-svn-id: http://svn.automattic.com/wordpress/branches/2.3@6234 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/upload.php

@@ -31,6 +31,9 @@ function wp_upload_display( $dims = false, $href = '' ) {
 	$src = wp_make_link_relative( $src_base );
 	$src_base = str_replace($src, '', $src_base);
 
+	if ( !trim($post_title) )
+		$post_title = basename($src);
+
 	$r = '';
 
 	if ( $href )