Utilities: Make addURLParameter handle the case where someone has changed the...

Utilities: Make addURLParameter handle the case where someone has changed the parameter seperator for URLs.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@1550 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Utilities.php

@@ -184,7 +184,7 @@ class SimpleSAML_Utilities {
 		}
 
 		$query = array_merge($oldQuery, $parameter);
-		$url .= http_build_query($query);
+		$url .= http_build_query($query, '', '&');
 
 		return $url;
 	}