use unnamed as title for a bookmark if no title was entered and curl fails

apps/bookmarks/bookmarksHelper.php

@@ -71,7 +71,7 @@ function getURLMetadata($url) {
 	return $metadata;
 }
 
-function addBookmark($url, $title='', $tags='') {
+function addBookmark($url, $title, $tags='') {
 	$CONFIG_DBTYPE = OC_Config::getValue( "dbtype", "sqlite" );
 	if( $CONFIG_DBTYPE == 'sqlite' or $CONFIG_DBTYPE == 'sqlite3' ){
 		$_ut = "strftime('%s','now')";
@@ -93,6 +93,11 @@ function addBookmark($url, $title='', $tags='') {
 		$title = $metadata['title'];
 	}
 	
+	if(empty($title)) {
+		$l = new OC_L10N('bookmarks');
+		$title = $l->t('unnamed');
+	}
+	
 	$params=array(
 	htmlspecialchars_decode($url),
 	htmlspecialchars_decode($title),