Since pass-by-reference has been removed in PHP 5.4, it should no
longer be used. Both of these places probably used it by mistake,
so removing it should be safe.

Thanks to Thijs Kinkhorst for fixing this!

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3029 44740490-163a-0410-bde0-09ae8108e29a