SAMLBuilder: Fix bug when adding service description.

The bug was introduced in r1948.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1966 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Metadata/SAMLBuilder.php

@@ -351,7 +351,7 @@ class SimpleSAML_Metadata_SAMLBuilder {
 			}
 
 			$description = $metadata->getArrayizeString('description', array());
-			foreach($metadata['description'] AS $lang => $localname) {
+			foreach ($description as $lang => $localname) {
 				if ($lang === 0) {
 					/* We use 'en' as the default language. */
 					$lang = 'en';